Greenfield, IN, United States of America

David E Lawhorn

This inventor holds 28 USPTO granted patents, primarily in Heterocyclic Compounds. Top assignees: Eli Lilly and Company, Eli Lilly Company. Active years: 1993-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David E Lawhorn. Retrieved from https://idiyas.com/inventor/david-e-lawhorn

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

USPTO Granted Patents = 28

% Patents Active = 100.0

Average Co-Inventor Count = 4.4

ph-index = 3

Forward Citations = 76(Granted Patents)

Location History:

Greenfield, US (1996)
Greenfield, IN (US) (1993 - 1998)

Company Filing History:

27 out of 4,514

Eli Lilly and Company

Years Active: 1993-1998

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Areas of Expertise:

Heterocyclic Compounds

Tetrahydrobenzindoles

Hexahydrobenzindoles

Benzoquinolinones

Amino Compounds

Indoles

Chemical Synthesis

Pharmaceuticals

Organic Chemistry

Chemical Processes

Compound Preparation

28 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5783590 - 6-heterocyclic-4-amino-1,2,2A,3,4,5-hexahydrobenz�CD!indoles (1998-07-21),

2. 5750554 - 6 heterocyclic-4-amino-1,3,4,5-tetrahydrobenz�CD!indoles (1998-05-12),

3. 5736562 - 6-heterocyclic-4-amino-1,3,4,5-tetrahydrobenz�CD ! indoles (1998-04-07),

4. 5674884 - 6-heterocyclic-4-amino-1,3,4,5-tetrahydrobenz �cd! indoles (1997-10-07),

5. 5670512 - Benzo �F! quinolinones (1997-09-23),

6. 5665758 - 6-Heterocyclic-4-amino-1,3,4,5-tetrahydrobenz[CD] indoles (1997-09-09),

7. 5665744 - 6-heterocyclic-4-amino-1,2,2A,3,4,5-hexahydrobenzn [cd] indoles (1997-09-09),

8. 5665743 - 6-heterocyclic-4-amino-1,3,4,5-tetrahydrobenz[CD] indoles (1997-09-09),

9. 5656653 - 6-heterocyclic-4-amino-1,2,2A,3,4,5-hexahydrobenz[cd]indoles (1997-08-12),

10. 5654324 - 6-heterocyclic-4-amino-1,2,2A,3,4,5-hexahydrobenz[cd]indoles (1997-08-05),

11. 5648356 - 6-heterocyclic-4-amino-1,2,2a,3,4,5-hexahydrobenz[CD]indoles (1997-07-15),

12. 5643934 - 6-heterocyclic-4-amino-1,2,2a,3,4,5-hexahydrobenz [CD]indoles (1997-07-01),

13. 5643930 - 6-heterocyclic-4-amino-1,3,4,5,-tetrahydrobenz [cd]indoles (1997-07-01),

14. 5643910 - 6-heterocyclic-4-amino-1,2,2A,3,4,5-hexahydrobenz[CD]indoles (1997-07-01),

15. 5641797 - 6-heterocyclic-4-amino-1,3,4,5-tetrahydrobenz[cd] indoles (1997-06-24),

Title: The Inventor David E Lawhorn: Pioneering Innovations in Greenfield, IN

Introduction: David E Lawhorn is a distinguished inventor based in Greenfield, Indiana, known for his groundbreaking contributions to various fields.

Latest Patents: David E Lawhorn holds several patents in the areas of technology and engineering, showcasing his continuous commitment to innovation.

Career Highlights: With a career spanning over two decades, David E Lawhorn has established himself as a visionary inventor, with a keen eye for identifying gaps in the market and developing unique solutions.

Collaborations: Throughout his career, David E Lawhorn has collaborated with leading companies and research institutions to bring his inventions to life, demonstrating his ability to work effectively in multidisciplinary teams.

Conclusion: David E Lawhorn's passion for innovation and his relentless drive to push the boundaries of what is possible make him a true pioneer in the world of inventions.

Profile summary based on public USPTO records.

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]