William W. Angell

SH Shelhigh: 1 patents #2 of 2Top 100%

📍 Los Altos Hills, CA: #444 of 812 inventorsTop 55%

🗺 California: #149,087 of 386,348 inventorsTop 40%

Overall (All Time): #1,631,388 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
5861028	Natural tissue heart valve and stent prosthesis and method for making the same	—	1999-01-19
5855602	Heart valve prosthesis	—	1999-01-05
4247292	Natural tissue heart valve fixation process	—	1981-01-27