William R. Nachtrab Jr.

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Phillips, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for slitting corrugated paperboard boxes
- Patent number 5,660,095
- Issue date Aug 26, 1997
- Marquip, Inc.
- Dean W. Smitterberg
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Apparatus and method for slitting corrugated paperboard boxes
- Patent number 5,483,856
- Issue date Jan 16, 1996
- Marquip, Inc.
- Dean W. Smitterberg
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Apparatus and method for slitting corrugated paperboard boxes
- Patent number 5,375,492
- Issue date Dec 27, 1994
- Marquip, Inc.
- Dean W. Smitterberg
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
System to align and square boxes
- Patent number 5,203,246
- Issue date Apr 20, 1993
- Marquip, Inc.
- Dean W. Smitterberg
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL