Mark S. Duffy

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Arlington, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Motorized drive for juvenile swing
- Patent number 7,354,352
- Issue date Apr 8, 2008
- Tadeusz W. Keska
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
Motorized drive for juvenile swing
- Publication number 20060019760
- Publication date Jan 26, 2006
- Tdeusz W. Keska
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...