Development Products, Inc.
Records under this name other than patents Development Products, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 8 of 8 · Back to Development Products, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 5,045,296 | Sodium carbonate perhydrate process Formerly held Term ended Term ended no later than Sep 3, 2011 · Low confidence | Term ended | Term ended no later than Sep 3, 2011 | Low confidence |
| US 5,195,631 | Optimum screw Term ended Term ended no later than Mar 23, 2013 · Low confidence | Term ended | Term ended no later than Mar 23, 2013 | Low confidence |
| US 5,206,088 | Ablative-intumescent system Term ended Term ended no later than Apr 27, 2013 · Low confidence | Term ended | Term ended no later than Apr 27, 2013 | Low confidence |
| US 5,217,748 | Method of hardening metal surfaces Term ended Term ended no later than Jun 8, 2013 · Low confidence | Term ended | Term ended no later than Jun 8, 2013 | Low confidence |
| US 5,238,929 | Correction of tribology of arthritis-affected joints and medicine for its implementation Term ended Term ended no later than Aug 24, 2013 · Low confidence | Term ended | Term ended no later than Aug 24, 2013 | Low confidence |
| US 5,240,510 | Photovoltaic cell Term ended Term ended no later than Aug 31, 2013 · Low confidence | Term ended | Term ended no later than Aug 31, 2013 | Low confidence |
| US 5,356,699 | Polymeric packaging film comprising aromatic vegetable oil Term ended Term ended no later than Oct 18, 2014 · Low confidence | Term ended | Term ended no later than Oct 18, 2014 | Low confidence |
| US 5,399,730 | Method of obtaining an purified wool fat and use as an additive to lubricants Term ended Term ended no later than Mar 21, 2015 · Low confidence | Term ended | Term ended no later than Mar 21, 2015 | Low confidence |