David B. Pritchard

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Bloomington, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Rotary converting apparatus and method for laminated products and p...
- Patent number 6,585,846
- Issue date Jul 1, 2003
- 3M Innovative Properties Company
- Eric J. Hanson
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Stacking apparatus and method for laminated products and packaging
- Patent number 6,547,229
- Issue date Apr 15, 2003
- 3M Innovative Properties Company
- Eric J. Hanson
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL