Roland J. A. Laverdure

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Sun City, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Self-closing valve with tamper evident lip seal tab for liquids, pa...
- Patent number 4,917,267
- Issue date Apr 17, 1990
- Roland J. A. Laverdure
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
LID-LESS, squeeze-to-open, self-closing, pill-box
- Publication number 20050035150
- Publication date Feb 17, 2005
- Roland J. A. Laverdure
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Easy open self closing outlet for gable-top cartons
- Publication number 20040007596
- Publication date Jan 15, 2004
- Roland J. A. Laverdure
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Guided clamps for quick easy opening and closing of dispenser outlet
- Publication number 20020088825
- Publication date Jul 11, 2002
- Roland J. A. Laverdure
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL