Richard H. Porterfield

Follow

Person

Pryor, OK, US

People

Patents Grantslast 30 patents

Information Patent Grant
Bandsaw apparatus with pivotally-mounted saw head assembly arm and...
- Patent number 5,787,774
- Issue date Aug 4, 1998
- Hem, Inc.
- Mark P. Richards
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Bandsaw apparatus with pivotally-mounted saw head assembly arm and...
- Patent number 5,526,727
- Issue date Jun 18, 1996
- Hem, Inc.
- Mark P. Richards
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Shuttle vise assembly for a feed table apparatus
- Patent number 5,353,910
- Issue date Oct 11, 1994
- Hem, Inc.
- Gerald R. Harris
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR