DJ

Darwin D. Spencer, Jr.

CC Crain Cutter: 2 patents #6 of 15Top 40%
📍 Milpitas, CA: #1,602 of 3,192 inventorsTop 55%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #1,870,462 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10934725 Angle tapping block Donald W. Suwyn, Lance D. Crain 2021-03-02
10315318 Cushion back cutter Tan D. Nguyen, Gregory Joseph Chambers 2019-06-11