Earl W. Duval

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Lowell, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Foldable toy and game
- Patent number 6,135,851
- Issue date Oct 24, 2000
- Big Kids, Inc.
- Luther E. Drake
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
Toy incorporating a resilient coil and a method of using same
- Publication number 20020102912
- Publication date Aug 1, 2002
- Earl W. Duval
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Resilient coil toy and game, a kit and a method for playing a game
- Publication number 20020094753
- Publication date Jul 18, 2002
- Amy Campos
- A63 - SPORTS GAMES AMUSEMENTS