Ronald Carstens

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Anacortes, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
High friction package retainer
- Patent number 5,339,957
- Issue date Aug 23, 1994
- Key Tech Corporation
- Ronald Carstens
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Corrugated cardboard boxes with increased compression strength
- Patent number 5,085,367
- Issue date Feb 4, 1992
- Ronald Carstens
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Shirt folding and packaging method and apparatus
- Patent number 4,798,293
- Issue date Jan 17, 1989
- Ronald Carstens
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Non-skid surface compositions for paper products
- Patent number 4,452,723
- Issue date Jun 5, 1984
- Key Tech Corporation
- Ronald Carstens
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Non-skid surface compositions for paper products
- Patent number 4,418,111
- Issue date Nov 29, 1983
- Key Tech Corporation
- Ronald Carstens
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for controlling warp in the manufacture of corrugated paperb...
- Patent number 4,134,781
- Issue date Jan 16, 1979
- Key Chemicals, Inc.
- Ronald A. Carstens
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD