IT

Irving Tsai

📍 New York, NY: #69 of 643 inventorsTop 15%
🗺 New York: #838 of 7,187 inventorsTop 15%
Overall (1997): #37,444 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5655164 Still film sound photography method and apparatus — 1997-08-05
5636078 Tape recording method and apparatus — 1997-06-03