Alan H. Y. Tsao

📍 Norfolk, VA: #115 of 414 inventorsTop 30%

🗺 Virginia: #12,642 of 34,511 inventorsTop 40%

Overall (All Time): #2,305,936 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5271159	Circular saw guide	Andy Chen	1993-12-21
5033140	Multipurpose combination tool	Andy Chen	1991-07-23