Growing community of inventors

Auburndale, FL, United States of America

Yvonne Parkel

Average Co-Inventor Count = 2.00

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 = 23

Yvonne ParkelRobert D Clark (2 patents)Yvonne ParkelYvonne Parkel (2 patents)Robert D ClarkRobert D Clark (15 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (2 from 832,880 patents)


2 patents:

1. 7445291 - Chair footrest mechanism

2. 6533360 - Chair footrest

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as of
1/3/2026
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