Growing community of inventors

Flower Mound, TX, United States of America

David A Friedersdorff

Average Co-Inventor Count = 4.50

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 = 21

David A FriedersdorffJames Bornhorst (2 patents)David A FriedersdorffRusty Brutsche (2 patents)David A FriedersdorffRussell Mahaffey (2 patents)David A FriedersdorffTed Samuelson (2 patents)David A FriedersdorffSteve Washington (2 patents)David A FriedersdorffBreck Outland (1 patent)David A FriedersdorffRussel B Mahaffey (1 patent)David A FriedersdorffDavid A Friedersdorff (3 patents)James BornhorstJames Bornhorst (37 patents)Rusty BrutscheRusty Brutsche (6 patents)Russell MahaffeyRussell Mahaffey (5 patents)Ted SamuelsonTed Samuelson (3 patents)Steve WashingtonSteve Washington (2 patents)Breck OutlandBreck Outland (2 patents)Russel B MahaffeyRussel B Mahaffey (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Production Resource Group Inc. (3 from 197 patents)


3 patents:

1. 9897297 - Moving light with follow spot

2. 8845150 - Moving light with follow spot

3. 8573810 - Dual in focus gobo

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idiyas.com
as of
12/30/2025
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