Michael V. Petrovich

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Portland, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Saw chain having cutter link with central pivot on bottom edge
- Patent number 5,092,211
- Issue date Mar 3, 1992
- Blount, Inc.
- Michael V. Petrovich
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Sprocket assembly for chain saws
- Patent number 4,876,796
- Issue date Oct 31, 1989
- Blount, Inc.
- Eugene E. Calkins
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Saw chain hook angle gauge
- Patent number 4,862,593
- Issue date Sep 5, 1989
- Blount, Inc.
- Michael V. Petrovich
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Cutter link for saw chain having guide surface for sharpening
- Patent number 4,785,700
- Issue date Nov 22, 1988
- Blount, Inc.
- Michael V. Petrovich
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Cutting chain having automatic sharpening
- Patent number 4,625,610
- Issue date Dec 2, 1986
- Omark Industries, Inc.
- Michael V. Petrovich
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...