Henry Astle

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Rancho Cordova, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Tube end squaring tool
- Patent number 5,671,646
- Issue date Sep 30, 1997
- Tri Tool Inc.
- William E. Sandford
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Tube end squaring tool
- Patent number D383960
- Issue date Sep 23, 1997
- Tri Tool, Inc.
- William E. Sandford
- D08 - Tools and hardware
Information Patent Grant
Roller cutter module with force equalizer
- Patent number 5,515,756
- Issue date May 14, 1996
- Tri Tool Inc.
- William E. Sandford
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Elliptical manway cutter
- Patent number 5,429,021
- Issue date Jul 4, 1995
- Tri Tool Inc.
- Henry Astle
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
End preparation tool for pipe fittings
- Patent number 4,667,548
- Issue date May 26, 1987
- Tri Tool, Inc.
- Henry Astle
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR