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Pisgah Forest, NC, United States of America

Pisgah Laboratories, Inc.

USPTO Granted Patents = 28

% Expired Patents = 57.1

Forward Citations = 187

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6 inventors (with patents filed for the assignee):

Clifford Riley King (28 out of 77 patents)

David William Bristol (28 out of 31 patents)

Stephen G D'Ambrosio (22 out of 22 patents)

4. Michael L English (12 out of 12 patents)

5. Vicki Haynes Audia (4 out of 6 patents)

6. Joseph Pike Mitchener, Jr (3 out of 5 patents)

Core Competencies:

Abuse Deterrent

Opioid Salts

ADHD Medications

Pharmaceutical Salts

Anti-Dose Dumping

Psychoactive Alkaloids

Bioavailability

Safety Features

28 patents: Sort by Forward Citations

1. 10183001 - Opioid and attention deficit hyperactivity disorder medications possessing abuse deterrent and anti-dose dumping safety features (2019-01-22),

2. 9421266 - Safety of pseudoephedrine drug products (2016-08-23),

3. 9226925 - Abuse deterrent and anti-dose dumping pharmaceutical salts useful for the treatment of attention deficit/hyperactivity disorder (2016-01-05),

4. 8980880 - Abuse deterrent and anti-dose dumping pharmaceutical salts useful for the treatment of attention deficit/hyperactivity disorder (2015-03-17),

5. 8957067 - Abuse deterrent and anti-dose dumping pharmaceutical salts useful for the treatment of attention deficit/hyperactivity disorder (2015-02-17),

6. 8940729 - Abuse deterrent and anti-dose dumping pharmaceutical salts useful for the treatment of attention deficit/hyperactivity disorder (2015-01-27),

7. 8921386 - Opioid salts and formulations exhibiting anti-abuse and anti-dose dumping properties (2014-12-30),

8. 8916587 - Abuse deterrent and anti-dose dumping pharmaceutical salts useful for the treatment of attention deficit/hyperactivity disorder (2014-12-23),

9. 8912217 - Abuse deterrent and anti-dose dumping pharmaceutical salts useful for the treatment of attention deficit/hyperactivity disorder (2014-12-16),

10. 8883863 - Safety of psuedoephedrine drug products (2014-11-11),

11. 8859622 - Salts of physiologically active and psychoactive alkaloids and amines simultaneously exhibiting bioavailability and abuse resistance (2014-10-14),

12. 8846766 - Abuse-deterrent methadone for the safe treatment of drug abuse and pain relief (2014-09-30),

13. 8748416 - Opioid salts and formulations exhibiting anti-abuse and anti-dumping properties (2014-06-10),

14. 8716337 - Abuse deterrent and anti-dose dumping pharmaceutical salts useful for the treatment of attention deficit/hyperactivity disorder (2014-05-06),

15. 8716278 - Abuse deterrent and anti-dose dumping pharmaceutical salts useful for the treatment of attention deficit/hyperactivity disorder (2014-05-06),

Company Overview

Pisgah Laboratories, Inc. is a specialized research and development firm based in Pisgah Forest, North Carolina. The company focuses on the formulation and manufacturing of advanced pharmaceutical products, emphasizing innovative drug delivery systems and analytical services. With a commitment to quality and compliance, Pisgah Laboratories serves a diverse clientele, including biotech and pharmaceutical companies, by providing tailored solutions in drug development and testing. Its expertise spans various therapeutic areas, enhancing the efficacy and safety of medical treatments.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

28 Patents

#1 in Pisgah Forest, NC

#269 in North Carolina

#12,013 in US

#23,285 in the World

Pisgah Forest, NC, United States of America

Pisgah Laboratories, Inc.

Forward Citations = 187

6 inventors:

Clifford Riley King (28 out of 77 patents)

David William Bristol (28 out of 31 patents)

Stephen G D'Ambrosio (22 out of 22 patents)

4. Michael L English (12 out of 12 patents)

5. Vicki Haynes Audia (4 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Pisgah Laboratories, Inc.. Retrieved from https://idiyas.com/company/pisgah-laboratories

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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