DS

David Spencer

CI Clement Clarke International: 11 patents #1 of 11Top 10%
Pitney Bowes: 5 patents #279 of 1,308Top 25%
Disney: 5 patents #2,657 of 6,686Top 40%
SO Sony: 2 patents #12,963 of 25,231Top 55%
📍 Commerce, MI: #4 of 110 inventorsTop 4%
🗺 Michigan: #2,385 of 86,293 inventorsTop 3%
Overall (All Time): #137,980 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
4768793 Roller ski construction 1988-09-06
4743981 System for synchronizing audiotape and videotape machines Gregory S. Kadorian 1988-05-10
4569577 Photographic animation transfer process 1986-02-11