Growing community of inventors

Long Beach, CA, United States of America

Andrew G Oldknow

Average Co-Inventor Count = 5.00

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 = 34

Andrew G Oldknow ↔ Douglas E Roberts (1 patent)Andrew G Oldknow ↔ Daniel J Stone (1 patent)Andrew G Oldknow ↔ Stephen C Chien (1 patent)Andrew G Oldknow ↔ David M Bennett (1 patent)Andrew G OldknowAndrew G Oldknow (1 patent)Douglas E RobertsDouglas E Roberts (152 patents)Daniel J StoneDaniel J Stone (61 patents)Stephen C ChienStephen C Chien (15 patents)David M BennettDavid M Bennett (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Roger Cleveland Golf Company, Inc. (1 from 107 patents)


1 patent:

1. D435073 - Driving iron-type golf club head

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as of
12/21/2025
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