Walter Rapetski

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Orange, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Four wing, non-intermeshing rotors for synchronous drive to provide...
- Patent number 6,494,607
- Issue date Dec 17, 2002
- Farrel Corporation
- Lefteris Valsamis
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Four wing, non-intermeshing rotors for synchronous drive to provide...
- Publication number 20020163852
- Publication date Nov 7, 2002
- Lefteris Valsamis
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL