Growing community of inventors

White Bear Lake, MN, United States of America

David B Wightman

Average Co-Inventor Count = 3.75

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 = 30

David B WightmanSteven J Hammond (2 patents)David B WightmanJoseph D Ricke (1 patent)David B WightmanJohn Emil Richard (1 patent)David B WightmanClifford A Klinger (1 patent)David B WightmanRobert A Knoss (1 patent)David B WightmanDavid B Wightman (2 patents)Steven J HammondSteven J Hammond (2 patents)Joseph D RickeJoseph D Ricke (13 patents)John Emil RichardJohn Emil Richard (5 patents)Clifford A KlingerClifford A Klinger (2 patents)Robert A KnossRobert A Knoss (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Federal-hoffman, Inc. (2 from 35 patents)


2 patents:

1. 5481889 - Mechanical latch system

2. 4917421 - Detachable fastener for electrical enclosures

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as of
12/30/2025
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