Growing community of inventors

Grand Rapids, MI, United States of America

David W Stallard

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 = 74

David W StallardJohn P Conner (1 patent)David W StallardDavid W Stallard (1 patent)John P ConnerJohn P Conner (30 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Qube, Inc. (1 from 4 patents)


1 patent:

1. 5350270 - Pickface conveyor

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as of
12/19/2025
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