Stack Holdings, Inc.
Records under this name other than the patents Stack Holdings, 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 3 patents it holds.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,012,002 | Vehicle travel meter Formerly held Term ended Term ended Jun 4, 2017 · From the USPTO record | Term ended | Term ended Jun 4, 2017 | From the USPTO record |
| US 4,810,269 | Point one micron filtering system Formerly held Term ended Term ended no later than Mar 7, 2009 · Low confidence | Term ended | Term ended no later than Mar 7, 2009 | Low confidence |
| US 4,826,513 | Laser smoke particulate/odor filter system Formerly held Term ended Term ended no later than May 2, 2009 · Low confidence | Term ended | Term ended no later than May 2, 2009 | Low confidence |
| US 4,901,716 | Clean room helmet system Formerly held Term ended Term ended no later than Feb 20, 2010 · Low confidence | Term ended | Term ended no later than Feb 20, 2010 | Low confidence |
| US 4,942,987 | Method of folding sterile surgical garments before and after sterilization Term ended Term ended no later than Jul 24, 2010 · Low confidence | Term ended | Term ended no later than Jul 24, 2010 | Low confidence |
| US 4,986,282 | Face shield system Formerly held Term ended Term ended no later than Jan 22, 2011 · Low confidence | Term ended | Term ended no later than Jan 22, 2011 | Low confidence |
| US 5,046,492 | Clean room helmet system Formerly held Term ended Term ended no later than Sep 10, 2011 · Low confidence | Term ended | Term ended no later than Sep 10, 2011 | Low confidence |
| US 5,462,488 | Integrated card and business form assembly and method for fabricating same on label formation equipment Formerly held Term ended Term ended no later than Oct 31, 2015 · Low confidence | Term ended | Term ended no later than Oct 31, 2015 | Low confidence |
| US D271,237 | Charcoal stack lighter Term ended | Term ended | ||
| US D298,473 | Filtration unit for exhaust air from a clean room helmet worn for a sterile environment or the like Formerly held Term ended | Term ended |