Growing community of inventors

Broadlands, VA, United States of America

Gregory Crabb

Average Co-Inventor Count = 5.97

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 = 7

Gregory CrabbDaniel Smith (4 patents)Gregory CrabbWilliam Albert Tartal (4 patents)Gregory CrabbDonald Eugene Irwin (4 patents)Gregory CrabbMichael John Amato (4 patents)Gregory CrabbRobert E Dixon (4 patents)Gregory CrabbVictoria K Stephen (4 patents)Gregory CrabbNan K McKenzie (4 patents)Gregory CrabbWilliam G Ackerman (4 patents)Gregory CrabbClayton Craig Bonnell (3 patents)Gregory CrabbRonald E Garey (3 patents)Gregory CrabbBradley A Reck (3 patents)Gregory CrabbPaul Anthony Bernicchi (2 patents)Gregory CrabbNan K Mckenzie (1 patent)Gregory CrabbGregory Crabb (7 patents)Daniel SmithDaniel Smith (225 patents)William Albert TartalWilliam Albert Tartal (66 patents)Donald Eugene IrwinDonald Eugene Irwin (43 patents)Michael John AmatoMichael John Amato (25 patents)Robert E DixonRobert E Dixon (21 patents)Victoria K StephenVictoria K Stephen (19 patents)Nan K McKenzieNan K McKenzie (13 patents)William G AckermanWilliam G Ackerman (10 patents)Clayton Craig BonnellClayton Craig Bonnell (38 patents)Ronald E GareyRonald E Garey (7 patents)Bradley A ReckBradley A Reck (5 patents)Paul Anthony BernicchiPaul Anthony Bernicchi (2 patents)Nan K MckenzieNan K Mckenzie (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. United States Postal Service (7 from 742 patents)


7 patents:

1. 11508024 - System and method of identity verification

2. 10991061 - System and method of identity verification

3. 9898790 - System and method of identity verification

4. 9311646 - System and method of identity verification

5. 8566255 - System and method for electronic transaction verification

6. 8548931 - System and method for electronic transaction verification

7. 8214302 - System and method for electronic transaction verification

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as of
12/6/2025
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