Boring & Tunneling Company of America, Inc.

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for cutting hard earth formations
- Patent number 4,244,625
- Issue date Jan 13, 1981
- Boring & Tunneling Company of America, Inc.
- Gilbert M. Turner
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
73315511 - ROC-SAW
- Serial number 73315511
- Registration number 1207885
- Filing date Jun 19, 1981
- Boring & Tunneling Company of America, Inc.
- 7 - Machines and machine tools
Information Trademark
73232585 - ROC-SAW
- Serial number 73232585
- Registration number 1182436
- Filing date Sep 24, 1979
- Boring & Tunneling Company of America, Inc.
- 37 - Building construction
Information Trademark
73222177 - ROC-SAW
- Serial number 73222177
- Registration number 1168811
- Filing date Jul 5, 1979
- Boring & Tunneling Company of America, Inc.
- 7 - Machines and machine tools