William B. Strzelewicz

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Osterville, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Laminated foam structures with enhanced properties
- Patent number 5,882,776
- Issue date Mar 16, 1999
- Sentinel Products Corp.
- John D. Bambara
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Cushioned bag and apparatus and method of making a cushioned bag
- Patent number 4,868,025
- Issue date Sep 19, 1989
- Packaging Industries Group, Inc.
- William B. Strzelewicz
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL