Donald E. Cohrs

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Davenport, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Variable low-pressure sequential-return force cap lift
- Patent number 4,938,000
- Issue date Jul 3, 1990
- The Kartridg Pak Co.
- Rodney P. Smith
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Low pressure cap lift with hydraulic return
- Patent number 4,875,324
- Issue date Oct 24, 1989
- The Kartridg Pak Co.
- Donald E. Cohrs
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL