Spherex, Inc.
Records under this name other than the patents Spherex, Inc. 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 10 patents it holds.
Showing 1 to 4 of 4 · Back to Spherex, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 3,994,767 | Ring forming machine Term ended Term ended no later than Nov 30, 1996 · Low confidence | Term ended | Term ended no later than Nov 30, 1996 | Low confidence |
| US 4,108,497 | Hub cap Term ended Term ended no later than Aug 22, 1998 · Low confidence | Term ended | Term ended no later than Aug 22, 1998 | Low confidence |
| US D256,931 | Toy wheel Term ended | Term ended | ||
| US D259,195 | Wheel Term ended | Term ended |