David Chao

📍 Saratoga, CA: #8 of 235 inventorsTop 4%

🗺 California: #512 of 17,285 inventorsTop 3%

Overall (1997): #8,679 of 185,788Top 5%

Patents 1997

Issued Patents 1997

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
5689835	Sports goggles having an attachable nose pad	—	1997-11-25
5651146	Sports goggles having shock absorbing mechanism	—	1997-07-29
5631716	Sports goggles having prescription lens	—	1997-05-20
5631719	Spectacle frame having resilient coupling	—	1997-05-20