DI

Donald E. Spears, II

DC Doskocil Manufacturing Company: 1 patents #80 of 131Top 65%
RC Reliance Com/Tec: 1 patents #24 of 69Top 35%
📍 Fort Worth, TX: #829 of 2,247 inventorsTop 40%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,186,571 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6681720 Wire cage Scott Skurdalsvold, Michael A. Foster, Mike Harper, Ralph Van Skiver 2004-01-27
D291566 Retrofittable card reader and carrier select keyboard unit for paystation telephones Joseph C. Perry, Rodney A. Battles 1987-08-25