Howlett Machine Works

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Berkeley, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Tapered thread forming apparatus and method
- Patent number 4,752,159
- Issue date Jun 21, 1988
- Howlett Machine Works
- James W. Howlett
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for tensioning concrete reinforcing tendons
- Patent number 4,146,951
- Issue date Apr 3, 1979
- Howlett Machine Works
- George H. Howlett
- E04 - BUILDING
Information Patent Grant
Method for coupling axially aligned tunnel sections and apparatus t...
- Patent number 4,047,388
- Issue date Sep 13, 1977
- Howlett Machine Works
- James W. Howlett
- E21 - EARTH DRILLING MINING
Information Patent Grant
Anchor member and method of forming same
- Patent number 3,935,685
- Issue date Feb 3, 1976
- Howlett Machine Works
- George H. Howlett
- E04 - BUILDING

Patents Applicationslast 30 patents

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