Donald R. Robertson

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Pasadena, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Soccer headband
- Patent number 6,567,993
- Issue date May 27, 2003
- Donald R. Robertson
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Soccer headband
- Patent number 5,963,989
- Issue date Oct 12, 1999
- Donald R. Robertson
- A41 - WEARING APPAREL

Patents Applicationslast 30 patents

Information Patent Application
Novel soccer headband
- Publication number 20010047537
- Publication date Dec 6, 2001
- Donald R. Robertson
- A42 - HEADWEAR