Growing community of inventors

Doylestown, PA, United States of America

Robert C deGroof

Average Co-Inventor Count = 6.00

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 = 8

Robert C deGroofRichard J Harwood (1 patent)Robert C deGroofEdward V Henry (1 patent)Robert C deGroofLuke T Foo (1 patent)Robert C deGroofJay L Rheingold (1 patent)Robert C deGroofJoseph S Sonk (1 patent)Robert C deGroofRobert C deGroof (1 patent)Richard J HarwoodRichard J Harwood (10 patents)Edward V HenryEdward V Henry (1 patent)Luke T FooLuke T Foo (1 patent)Jay L RheingoldJay L Rheingold (1 patent)Joseph S SonkJoseph S Sonk (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. E. R. Squibb Sons, Inc. (1 from 1,624 patents)


1 patent:

1. 4975281 - Anti-ulcer composition

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as of
12/18/2025
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