Growing community of inventors

Richmond, VA, United States of America

David Andrew Droppleman

Average Co-Inventor Count = 2.00

ph-index = 1

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 = 1

David Andrew Droppleman ↔ Reevis S Alphin (1 patent)David Andrew DropplemanDavid Andrew Droppleman (1 patent)Reevis S AlphinReevis S Alphin (7 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. A. H. Robins Company, Incorporated (1 from 218 patents)


1 patent:

1. 3993767 - Compositions to suppress gastric bleeding in indomethacin and

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