David K. Shaffer

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Bowling Green, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for degreasing a metal part
- Patent number 6,460,549
- Issue date Oct 8, 2002
- Masco Corporation of Indiana
- Mitchell H. Berger
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
System for cooling and washing a part formed in a metal forming mac...
- Patent number 6,435,198
- Issue date Aug 20, 2002
- Masco Corporation of Indiana
- Mitchell H. Berger
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for recycling coolant for a cutting machine
- Patent number 6,343,610
- Issue date Feb 5, 2002
- Masco Corporation of Indiana
- Mitchell H. Berger
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for recycling coolant for a cutting machine
- Patent number 5,983,910
- Issue date Nov 16, 1999
- Masco Corporation of Indiana
- Mitchell H. Berger
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for recycling coolant for a cutting machine
- Patent number 5,795,400
- Issue date Aug 18, 1998
- Mitchell H. Berger
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for degreasing a metal part
- Publication number 20020014258
- Publication date Feb 7, 2002
- Mitchell H. Berger
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
System for cooling and washing a part formed in a metal forming mac...
- Publication number 20020011261
- Publication date Jan 31, 2002
- Mitchell H. Berger
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...