Mark W. Hillestad

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Wadsworth, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Boiler tube bank repair
- Patent number 5,542,177
- Issue date Aug 6, 1996
- Mark W. Hillestad
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Boiler tube bank repair
- Patent number 5,356,248
- Issue date Oct 18, 1994
- Mark W. Hillestad
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Boiler tube cutting apparatus
- Patent number 5,033,347
- Issue date Jul 23, 1991
- Tollief O. Hillestad
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Portable power tool for milling tube ends
- Patent number 5,007,778
- Issue date Apr 16, 1991
- Tollief O. Hillestad
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Portable power tool for milling tube ends
- Patent number 4,915,552
- Issue date Apr 10, 1990
- Tollief O. Hillestad
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Portable power tool for milling tube ends
- Patent number 4,889,454
- Issue date Dec 26, 1989
- Tollief O. Hillestad
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR