Mark R. Witzel

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Waukesha, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for avoiding erosion in a high pressure die ca...
- Patent number 11,524,334
- Issue date Dec 13, 2022
- Brunswick Corporation
- Raymond J. Donahue
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method and apparatus for avoiding erosion in a high pressure die ca...
- Patent number 11,090,714
- Issue date Aug 17, 2021
- Brunswick Corporation
- Raymond J. Donahue
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method and apparatus for avoiding erosion in a high pressure die ca...
- Patent number 10,486,229
- Issue date Nov 26, 2019
- Brunswick Corporation
- Raymond J. Donahue
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method and apparatus for avoiding erosion in a high pressure die ca...
- Patent number 9,757,795
- Issue date Sep 12, 2017
- Brunswick Corporation
- Raymond J. Donahue
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method and apparatus for avoiding erosion in a high pressure die ca...
- Patent number 9,731,348
- Issue date Aug 15, 2017
- Brunswick Corporation
- Raymond J. Donahue
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for avoiding erosion in a high pressure die ca...
- Patent number 9,114,456
- Issue date Aug 25, 2015
- Brunswick Corporation
- Raymond J. Donahue
- B22 - CASTING POWDER METALLURGY