Growing community of inventors

Herndon, VA, United States of America

James C Lum

Average Co-Inventor Count = 2.00

ph-index = 4

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 = 159

James C LumJeffrey A Skigen (3 patents)James C LumC Thomas Taylor (2 patents)James C LumTheodore S Holdahl (1 patent)James C LumJ David Hann (1 patent)James C LumJames C Lum (5 patents)Jeffrey A SkigenJeffrey A Skigen (3 patents)C Thomas TaylorC Thomas Taylor (2 patents)Theodore S HoldahlTheodore S Holdahl (1 patent)J David HannJ David Hann (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Gte Telenet Communications Corporation (3 from 3 patents)

2. Other (1 from 832,812 patents)

3. Telenet Communications Corporation (1 from 3 patents)


5 patents:

1. 5309328 - Handsfree forearm strap for portable equipment

2. 4799153 - Method and apparatus for enhancing security of communications in a

3. D286404 - Telephone handset or similar article

4. D286286 - Telephone stand

5. D286151 - Telephone system keypad attachment stand or similar article

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as of
12/20/2025
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