Roger P. Tyzzer

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Hope Island, AU

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Patents Grantslast 30 patents

Information Patent Grant
Antimicrobial tennis ball
- Patent number 8,771,375
- Issue date Jul 8, 2014
- Jeffrey L. Rodengen
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
System for confirming hit locations on tennis court boundaries
- Patent number 7,632,197
- Issue date Dec 15, 2009
- Write Stuff Enterprises, Inc.
- Jeffrey Rodengen
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Antimicrobial Tennis Ball
- Publication number 20130143700
- Publication date Jun 6, 2013
- Jeffrey L. Rodengen
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Application
System for Confirming Hit Locations on Tennis Court Boundaries
- Publication number 20100279801
- Publication date Nov 4, 2010
- Jeffrey Rodengen
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
SYSTEM FOR CONFIRMING HIT LOCATIONS ON TENNIS COURT BOUNDARIES
- Publication number 20070249435
- Publication date Oct 25, 2007
- Jeffrey L. Rodengen
- A63 - SPORTS GAMES AMUSEMENTS