Rolf E. Weingardt

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Scarsdale, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Plastic container and sealing ring assembly therefor
- Patent number 4,530,442
- Issue date Jul 23, 1985
- Standard Container Company
- William M. Vogel
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Plastic paint bucket with metal sealing ring
- Patent number 4,228,916
- Issue date Oct 21, 1980
- Standard Container Company
- Rolf E. Weingardt
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL