Growing community of inventors

Wilson, WY, United States of America

Frederick E Liu

Average Co-Inventor Count = 1.55

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 = 59

Frederick E LiuAndrew D Maslow (1 patent)Frederick E LiuAnthony J DeRosa (1 patent)Frederick E LiuPeter C Wuerslin (1 patent)Frederick E LiuMargaret Murphy (1 patent)Frederick E LiuDavid C Carman (1 patent)Frederick E LiuFrederick E Liu (4 patents)Andrew D MaslowAndrew D Maslow (3 patents)Anthony J DeRosaAnthony J DeRosa (1 patent)Peter C WuerslinPeter C Wuerslin (1 patent)Margaret MurphyMargaret Murphy (1 patent)David C CarmanDavid C Carman (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Chums, Inc. (2 from 10 patents)

2. Life-link International, Inc. (2 from 8 patents)


4 patents:

1. 6644808 - End fastener for eyeglass retainers

2. D477835 - End fastener for an eyeglass retainer

3. 5549329 - Ski pole and removable hand grip

4. 5081718 - Pants type garment having a seamless crotch

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idiyas.com
as of
12/18/2025
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