Watson, Incorporated
Records under this name other than the patents Watson, Incorporated holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 3 patents it holds.
Showing 1 to 4 of 4 · Back to Watson, Incorporated
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,093,679 | Foundation drilling apparatus and method with continuously variable hydraulic differential rotary table Lapsed on the fee record Ended Aug 22, 2018 · From the USPTO record | Lapsed on the fee record | Ended Aug 22, 2018 | From the USPTO record |
| US 3,999,619 | Core barrel Term ended Term ended no later than Dec 28, 1996 · Low confidence | Term ended | Term ended no later than Dec 28, 1996 | Low confidence |
| US 3,999,620 | Core barrel Term ended Term ended no later than Dec 28, 1996 · Low confidence | Term ended | Term ended no later than Dec 28, 1996 | Low confidence |
| US 4,023,629 | Toggle actuated underreamer Term ended Term ended no later than May 17, 1997 · Low confidence | Term ended | Term ended no later than May 17, 1997 | Low confidence |