David M. Levitan

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Wheeling, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Laminating machine with two-stage heating
- Patent number 5,520,772
- Issue date May 28, 1996
- Technologies Development, Inc.
- David M. Levitan
- B32 - LAYERED PRODUCTS
Information Patent Grant
Resistive contact for resin-based heating elements
- Patent number 5,235,163
- Issue date Aug 10, 1993
- David M. Levitan
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Heating elements for plastic film laminators
- Patent number 5,081,340
- Issue date Jan 14, 1992
- Technologies Development Incorporated
- David M. Levitan
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL