Richard R. Hartman

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Kalamazoo, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Bake-in press-formed container
- Patent number 5,203,491
- Issue date Apr 20, 1993
- James River Corporation of Virginia
- Ronald P. Marx
- A21 - BAKING EDIBLE DOUGHS
Information Patent Grant
Microwave double-bag food container
- Patent number 4,982,064
- Issue date Jan 1, 1991
- James River Corporation of Virginia
- Richard R. Hartman
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL