BSG Corp.
Records under this name other than the patents BSG Corp. 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 6 patents it holds.
Showing 1 to 3 of 3 · Back to BSG Corp.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 5,015,416 | Photochromic polymeric membrane Formerly held Term ended Term ended no later than May 14, 2011 · Low confidence | Term ended | Term ended no later than May 14, 2011 | Low confidence |
| US 5,073,303 | Photochromic emulsion Term ended Term ended no later than Dec 17, 2011 · Low confidence | Term ended | Term ended no later than Dec 17, 2011 | Low confidence |
| US 5,256,337 | Photochromic polymer membrane Formerly held Term ended Term ended no later than Oct 26, 2013 · Low confidence | Term ended | Term ended no later than Oct 26, 2013 | Low confidence |