Growing community of inventors

Castaic, CA, United States of America

Donald A Simon

Average Co-Inventor Count = 3.00

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 = 40

Donald A SimonRockne J Hall (1 patent)Donald A SimonJoseph W Starr (1 patent)Donald A SimonDonald A Simon (1 patent)Rockne J HallRockne J Hall (6 patents)Joseph W StarrJoseph W Starr (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Technifex, Inc. (1 from 11 patents)


1 patent:

1. 7762897 - Apparatus for producing a fire special effect

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as of
1/16/2026
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