John H. Ritchie

Follow

Person

Anchorage, AK, US

People

Patents Grantslast 30 patents

Information Patent Grant
Interchangeable head wrench assembly
- Patent number 9,108,302
- Issue date Aug 18, 2015
- John H. Ritchie
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS