DB

Don Lee Bertva

CT Cooper Technologies: 2 patents #1 of 64Top 2%
📍 Sturgis, MI: #1 of 9 inventorsTop 15%
🗺 Michigan: #358 of 4,492 inventorsTop 8%
Overall (1997): #42,107 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5701940 Cellular shade James A. Ford, James Murrell Kennedy, Ronald Lynn Presdorf 1997-12-30
5692550 Cellular shade material James A. Ford, James Murrell Kennedy, Ronald Lynn Presdorf 1997-12-02