Royce G. Roberts

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Kenai, AK, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for cleaning large pipe threads
- Patent number 4,593,451
- Issue date Jun 10, 1986
- Royce G. Roberts
- B08 - CLEANING
Information Patent Grant
Thread cleaning device
- Patent number 4,530,127
- Issue date Jul 23, 1985
- Royce G. Roberts
- B08 - CLEANING
Information Patent Grant
Method and apparatus for tallying pipe
- Patent number 4,468,959
- Issue date Sep 4, 1984
- Royce G. Roberts
- E21 - EARTH DRILLING MINING
Information Patent Grant
Protector removal tool
- Patent number 4,262,410
- Issue date Apr 21, 1981
- Royce G. Roberts
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS