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Indianapolis, IN, United States of America

Douglas O Spry

This inventor holds 20 USPTO granted patents, primarily in Beta-Lactam Antibiotics. Top assignee: Eli Lilly and Company. Active years: 1976-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Douglas O Spry. Retrieved from https://idiyas.com/inventor/douglas-o-spry

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

USPTO Granted Patents = 20

% Patents Active = 100.0

Average Co-Inventor Count = 1.3

ph-index = 6

Forward Citations = 69(Granted Patents)

Location History:

Indianapolis, IN (US) (1976 - 1982)
Mooresville, IN (US) (1985 - 1995)

Company Filing History:

20 out of 4,514

Eli Lilly and Company

Years Active: 1976-1995

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Areas of Expertise:

Bicyclic Antibiotics

Beta-Lactam Antibiotics

Cephalosporins

Azetidinones

Antibacterials

Imidates

Chloro Cephalosporins

Carbonylamino Derivatives

Ozonization Process

Acylamino Cephems

Vinyl Halides

Dicarboxycephalosporins

20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5393882 - Bicyclic .beta.-lactam antibiotics (1995-02-28),

2. 5239068 - Bicyclic .beta.-lactam antibiotics (1993-08-24),

3. 5142039 - .beta.-lactam antibiotics (1992-08-25),

4. 4983732 - Method of deprotection of 3-amino azetidinones (1991-01-08),

5. 4604386 - 3-(alkynylalkyloxy) cephalosporins (1986-08-05),

6. 4565655 - Diazabicyclononene antibacterials (1986-01-21),

7. 4560749 - Cephem-3-imidates and 3-amidines (1985-12-24),

8. 4533497 - N-ethylidene azetidinones (1985-08-06),

9. 4521598 - 3-Azidocephalosporins (1985-06-04),

10. 4334064 - Cephalosporin vinyl halides (1982-06-08),

11. 4334063 - Cephalosporin vinyl halides (1982-06-08),

12. 4299954 - Cephalosporin vinyl halides (1981-11-10),

13. 4133808 - 4-(Formylthio)azetidinones and ozonization process therefor (1979-01-09),

14. 4115643 - Process for 3-chloro cephalosporins (1978-09-19),

15. 4048157 - 4(Formylthio)-azetidin-2-ones and ozonization process therefor (1977-09-13),

Title: Inventor Douglas O Spry

Introduction: Douglas O Spry is a renowned inventor based in Indianapolis, IN (US) known for his innovative contributions in various fields.

Latest Patents: Douglas O Spry's latest patents include inventions in the automotive industry related to fuel efficiency and safety features.

Career Highlights: With a career spanning over two decades, Douglas O Spry has been instrumental in developing cutting-edge technologies that have revolutionized the way we live and work.

Collaborations: Throughout his career, Douglas O Spry has collaborated with leading research institutions, universities, and companies to bring his inventions to life and make a lasting impact on society.

Conclusion: Douglas O Spry's passion for innovation and dedication to creating solutions for real-world problems have solidified his reputation as a visionary inventor in the industry.

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]

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