Derrick E. Hilton

Follow

Person

Manchester, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Shielding gas for electric arc welding
- Patent number 4,626,646
- Issue date Dec 2, 1986
- BOC Limited
- Derrick E. Hilton
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR