Growing community of inventors

Monroe, MI, United States of America

Duane M Perpich

Average Co-Inventor Count = 3.00

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 = 34

Duane M Perpich ↔ Donald A George (2 patents)Duane M Perpich ↔ Randall M Orians (2 patents)Duane M PerpichDuane M Perpich (2 patents)Donald A GeorgeDonald A George (12 patents)Randall M OriansRandall M Orians (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. La-z-boy Chair Co. (2 from 65 patents)


2 patents:

1. D381215 - Conference/guest chair

2. D372799 - Pedestal based executive chair

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as of
12/8/2025
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