Richard L. Hall

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Lincolnton, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Quick change mandrel assembly for use with a hole saw and a pilot d...
- Patent number 6,623,220
- Issue date Sep 23, 2003
- Credo Tool Corporation
- Bart Nuss
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Hole saw having plug ejection feature
- Patent number 5,435,672
- Issue date Jul 25, 1995
- Vermont American Corporation
- Richard L. Hall
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Quick change mandrel assembly for use with a hole saw and a pilot d...
- Publication number 20020028117
- Publication date Mar 7, 2002
- Bart Nuss
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC