DC

David Colvin

GA Gaming Arts: 52 patents #1 of 14Top 8%
ZT Z4 Technologies: 13 patents #1 of 1Top 100%
HA Huls America: 2 patents #5 of 19Top 30%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Las Vegas, NV: #16 of 3,439 inventorsTop 1%
🗺 Nevada: #35 of 8,397 inventorsTop 1%
Overall (All Time): #12,379 of 4,157,543Top 1%
108
Patents All Time

Issued Patents All Time

Showing 101–108 of 108 patents

Patent #TitleCo-InventorsDate
4631988 Reversible ratchet wrench including detent mechanism 1986-12-30
4608887 Adjustable socket including rotatable adjuster 1986-09-02
4598616 Wrench opening 1986-07-08
4485700 Reversible ratchet wrench 1984-12-04
4378714 Adjustable socket including apertured sleeve 1983-04-05
4366733 Socket including adjustable jaws 1983-01-04
4325275 Adjustable open-end and box-end wrench 1982-04-20
4213355 Adjustable socket 1980-07-22