Growing community of inventors

Richmond, VA, United States of America

David R Coffin

Average Co-Inventor Count = 4.44

ph-index = 2

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 8

David R CoffinStanley D Lazarus (4 patents)David R CoffinDavid S Cordova (4 patents)David R CoffinRobert M Marshall (2 patents)David R CoffinHugh H Rowan (2 patents)David R CoffinSteven A Young (2 patents)David R CoffinDavid R Coffin (4 patents)Stanley D LazarusStanley D Lazarus (23 patents)David S CordovaDavid S Cordova (23 patents)Robert M MarshallRobert M Marshall (42 patents)Hugh H RowanHugh H Rowan (16 patents)Steven A YoungSteven A Young (8 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Alliedsignal Inc. (3 from 3,002 patents)

2. Allied Corporation (1 from 1,393 patents)


4 patents:

1. 4880871 - Fiber for reinforcing plastic composites and reinforced plastic

2. 4857405 - Fiber for reinforcing plastic composites and reinforced plastic

3. 4842934 - Fiber for reinforcing plastic composites and reinforced plastic

4. 4748197 - Fiber for reinforcing plastic composites and reinforced plastic

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idiyas.com
as of
12/13/2025
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