Growing community of inventors

Kalamazoo, MI, United States of America

Stephen Pennington

Average Co-Inventor Count = 1.44

ph-index = 6

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 = 204

Stephen PenningtonJeffrey M Browne (2 patents)Stephen PenningtonRyan Alan Heiser (2 patents)Stephen PenningtonDavid Philip Engvall (1 patent)Stephen PenningtonAdam Dudycha (1 patent)Stephen PenningtonMichael H Reedy (1 patent)Stephen PenningtonJose C Santiago (1 patent)Stephen PenningtonStephen Pennington (7 patents)Jeffrey M BrowneJeffrey M Browne (34 patents)Ryan Alan HeiserRyan Alan Heiser (10 patents)David Philip EngvallDavid Philip Engvall (27 patents)Adam DudychaAdam Dudycha (7 patents)Michael H ReedyMichael H Reedy (5 patents)Jose C SantiagoJose C Santiago (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Irwin-industrial Tool Company (5 from 291 patents)


7 patents:

1. 10357874 - Apparatus and method for a storage container with integrated table

2. D831952 - Tool storage backpack

3. D825921 - Tool storage bag

4. D824671 - Tool storage bag

5. D823600 - Tool storage tote

6. D791873 - Pen

7. D788851 - Cap for a writing instrument

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as of
12/30/2025
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