Teddy J. Hammack

Follow

Person

Los Altos, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Self regulating heating device employing positive temperature coeff...
- Patent number 4,658,121
- Issue date Apr 14, 1987
- Raychem Corporation
- David A. Horsma
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Positive temperature coefficient of resistance compositions
- Patent number 4,560,498
- Issue date Dec 24, 1985
- Raychem Corporation
- David A. Horsma
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...