Donald K. Cartmell

Follow

Person

Phoenix, AZ, US

People

Patents Grantslast 30 patents

Information Patent Grant
Transient voltage suppression device
- Patent number 7,510,903
- Issue date Mar 31, 2009
- Protek Devices LP
- Fred Matteson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Transient voltage suppression device
- Patent number 7,361,942
- Issue date Apr 22, 2008
- Protek Devices, LP
- Fred Matteson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Transient voltage suppression device
- Patent number 6,867,436
- Issue date Mar 15, 2005
- Protek Devices, LP
- Fred Matteson
- H01 - BASIC ELECTRIC ELEMENTS