Paul E. Ewing

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Farmington Hills, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Cold headed center vacuum drill bit
- Patent number 5,452,628
- Issue date Sep 26, 1995
- Kennametal Inc.
- Robert H. Montgomery
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Cold headed center vacuum drill bit
- Patent number 5,297,643
- Issue date Mar 29, 1994
- Kennametal Inc.
- Robert H. Montgomery
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Cold-headed and roll-formed pick type cutter body with carbide insert
- Patent number 4,627,665
- Issue date Dec 9, 1986
- SS Indus.
- Paul E. Ewing
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR