Assignee
PRISM TECH INC
US·4 granted patents·189 citations·filing 1988–1991
Top patents by PatentIndex Score
4 records- 0189US4872442AActivator for initiating reaction in a heat pack and method for making samePRISM TECH INC·Filed 1988·Granted Oct 10, 1989·54 cites·6 claims
- 0285US5339796AReusable warmers of the type employing a super-cooled solution and an activatorPRISM TECH INC·Filed 1991·Granted Aug 23, 1994·52 cites·13 claims
- 0384US4880953AMethod of recharging a heat pack by microwave energyPRISM TECH INC·Filed 1988·Granted Nov 14, 1989·44 cites·3 claims
- 0478US5058563AReusable warmers of the type employing a super-cooled solution and an activatorPRISM TECH INC·Filed 1990·Granted Oct 22, 1991·39 cites·1 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →