Robert R. Wheeler

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Downey, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Bulk material container loading and system
- Patent number 4,020,958
- Issue date May 3, 1977
- Robert R. Wheeler
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Bin closure supported closing mechanism
- Patent number 3,946,909
- Issue date Mar 30, 1976
- Robert R. Wheeler
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL