Mark A. Kortman

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Holland, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Industrial component holder assembly and rack
- Patent number 6,601,928
- Issue date Aug 5, 2003
- Production Assembly Service Inc.
- Calvin J. Kortman
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Apparatus for manufacturing industrial component holder assemblies
- Patent number 6,550,659
- Issue date Apr 22, 2003
- Production Assembly Service, Inc.
- Calvin J. Kortman
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Industrial component rack assembly
- Patent number 6,464,092
- Issue date Oct 15, 2002
- Production Assembly Service, Inc.
- Calvin J. Kortman
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Industrial component holder assembly and rack
- Patent number 6,305,764
- Issue date Oct 23, 2001
- Production Assembly Service, Inc.
- Calvin J. Kortman
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL