Growing community of inventors

Canoga Park, CA, United States of America

Roger Alvan Frech

Average Co-Inventor Count = 1.33

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 = 19

Roger Alvan FrechMartin Moses Bondar (1 patent)Roger Alvan FrechRoger Alvan Frech (2 patents)Martin Moses BondarMartin Moses Bondar (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Terminal Data Corporation (2 from 21 patents)


2 patents:

1. 4093370 - Indicia recording device

2. 4027870 - End for end document inverter

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as of
12/30/2025
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