Kathleen Keifer

Follow

Person

Manhattan Beach, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
System and method for puzzle solving utilizing letter and visual re...
- Patent number 8,556,696
- Issue date Oct 15, 2013
- David L. Hoyt
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
System and Method for Puzzle Solving Utilizing Letters and Visual R...
- Publication number 20160038829
- Publication date Feb 11, 2016
- David L. Hoyt
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
System and Method for Puzzle Solving Utilizing Letters and Visual R...
- Publication number 20140141852
- Publication date May 22, 2014
- David L. Hoyt
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
System and Method for Puzzle Solving Utilizing Letter and Visual Re...
- Publication number 20120071220
- Publication date Mar 22, 2012
- David L. Hoyt
- A63 - SPORTS GAMES AMUSEMENTS