Growing community of inventors

Somerset, NJ, United States of America

Erwin Anton Letzgus, Jr

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 = 2

Erwin Anton Letzgus, JrBernard D Gist (1 patent)Erwin Anton Letzgus, JrWilliam Joseph Peschler (1 patent)Erwin Anton Letzgus, JrHarold Harrison Gordon (1 patent)Erwin Anton Letzgus, JrJohn Anton Parkinson (1 patent)Erwin Anton Letzgus, JrErwin Anton Letzgus, Jr (1 patent)Bernard D GistBernard D Gist (3 patents)William Joseph PeschlerWilliam Joseph Peschler (2 patents)Harold Harrison GordonHarold Harrison Gordon (1 patent)John Anton ParkinsonJohn Anton Parkinson (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Specialty Minerals (Michigan) Inc. (1 from 49 patents)


1 patent:

1. 6915966 - Apparatus for the gunning of a refractory material and nozzles for same

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1/7/2026
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