Dennis M. O'Donovan

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Haymarket, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Golf swing ball impact teaching tool
- Patent number 9,539,484
- Issue date Jan 10, 2017
- Dennis M. O'Donovan
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Golf swing ball impact teaching tool
- Patent number 9,089,757
- Issue date Jul 28, 2015
- Dennis M. O'Donovan
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
GOLF SWING BALL IMPACT TEACHING TOOL
- Publication number 20170120130
- Publication date May 4, 2017
- Dennis M. O'Donovan
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
GOLF SWING BALL IMPACT TEACHING TOOL
- Publication number 20160016063
- Publication date Jan 21, 2016
- Dennis M. O'Donovan
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
GOLF SWING BALL IMPACT TEACHING TOOL
- Publication number 20120295728
- Publication date Nov 22, 2012
- Dennis M. O'Donovan
- A63 - SPORTS GAMES AMUSEMENTS