Robert Grzesek

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Redondo Beach, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Electronic game device and method of using the same
- Patent number 8,651,953
- Issue date Feb 18, 2014
- Mattel, Inc.
- Janice E. Ritter
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Toy vehicles and play sets with contactless identification
- Patent number 7,387,559
- Issue date Jun 17, 2008
- Mattel, Inc.
- Jorge Sanchez-Castro
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Toy device using through-the-body communication
- Patent number 6,422,911
- Issue date Jul 23, 2002
- Mattel, Inc.
- Robert Grzesek
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Electronic Game Device and Method of Using the Same
- Publication number 20100311485
- Publication date Dec 9, 2010
- Mattel, Inc.
- Janice E. Ritter
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Electronic Game Device and Method of Using the Same
- Publication number 20100184499
- Publication date Jul 22, 2010
- Janice E. Ritter
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Electronic Game Device And Method Of Using The Same
- Publication number 20080188277
- Publication date Aug 7, 2008
- Janice E. Ritter
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Toy vehicles and play sets with contactless identification
- Publication number 20050148281
- Publication date Jul 7, 2005
- Jorge Sanchez-Castro
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Magnetic assembly toy
- Publication number 20040198143
- Publication date Oct 7, 2004
- Robert Grzesek
- A63 - SPORTS GAMES AMUSEMENTS