JS

Jeffery D. Spence

📍 Linden, TN: #5 of 7 inventorsTop 75%
🗺 Tennessee: #7,532 of 20,272 inventorsTop 40%
Overall (All Time): #2,085,175 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8109195 Gas venting system for firearms — 2012-02-07
8109196 Cleanout port for gas-operated firearms — 2012-02-07