PB

Phillip W. Barth

HP HP: 1 patents #211 of 888Top 25%
📍 Portola Valley, CA: #25 of 57 inventorsTop 45%
🗺 California: #4,598 of 17,285 inventorsTop 30%
Overall (1997): #93,144 of 185,788Top 55%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5699462 Total internal reflection optical switches employing thermal activation Julie E. Fouquet, Kok-Wai Chang, Leslie A. Field, Eric G. Hanson, Long Yang +1 more 1997-12-16