Robert F. Vincent

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Eastford, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Pneumatic drilling with packer slideable along stem drill rod
- Patent number 11,085,242
- Issue date Aug 10, 2021
- Numa Tool Company
- Robert F. Vincent
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
PNEUMATIC DRILLING WITH PACKER SLIDEABLE ALONG STEM DRILL ROD
- Publication number 20190368272
- Publication date Dec 5, 2019
- Numa Tool Company
- Robert F. Vincent
- E21 - EARTH DRILLING MINING
Information Patent Application
Integral bit retention system
- Publication number 20050072602
- Publication date Apr 7, 2005
- Numa Tool Company.
- Jack H. Pascale
- E21 - EARTH DRILLING MINING