Inventor
MANKER CHARLES F
US10 patents
⚠️ This page may combine multiple inventors who share the name “MANKER CHARLES F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PRISM TECH INC
4 patentsUS5339796AAug 23, 1994
Reusable warmers of the type employing a super-cooled solution and an activator
PRISM TECH INC52 citations95
US4872442AOct 10, 1989
Activator for initiating reaction in a heat pack and method for making same
PRISM TECH INC54 citations95
US5058563AOct 22, 1991
Reusable warmers of the type employing a super-cooled solution and an activator
PRISM TECH INC39 citations91
US4880953ANov 14, 1989
Method of recharging a heat pack by microwave energy
PRISM TECH INC44 citations91