Growing community of inventors

Vashon, WA, United States of America

Robert Youmans

Average Co-Inventor Count = 2.53

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 = 190

Robert YoumansDavid T Robrahn (3 patents)Robert YoumansEtienne Billard (1 patent)Robert YoumansJohn Young (1 patent)Robert YoumansChristine Bejannin (1 patent)Robert YoumansCharles French, Jr (1 patent)Robert YoumansRobert Youmans (4 patents)David T RobrahnDavid T Robrahn (4 patents)Etienne BillardEtienne Billard (5 patents)John YoungJohn Young (4 patents)Christine BejanninChristine Bejannin (1 patent)Charles French, JrCharles French, Jr (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Scott Usa, Inc. (3 from 11 patents)

2. Other (1 from 832,891 patents)

3. Christian Dalloz Sunoptics (1 from 5 patents)


4 patents:

1. 6615409 - Tinted plastic lens for eye protecting devices

2. 6386588 - Ski pole grip and strap system

3. 6138285 - Goggle for sports and adverse environments

4. 6138286 - Goggle having a tinted plastic lens

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1/1/2026
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