Donald R. Watts

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Tacoma, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Collet system for arc welding torches
- Patent number 4,461,948
- Issue date Jul 24, 1984
- Donald R. Watts
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Angular and swiveling head for gas consuming electric welding torches
- Patent number 4,443,683
- Issue date Apr 17, 1984
- Donald R. Watts
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Pipe cutting machine
- Patent number 4,441,695
- Issue date Apr 10, 1984
- Donald R. Watts
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR