Francis H. Kirkpatrick

Follow

Person

Chelmsford, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Practical four-dimensional tic-tac-toe
- Patent number 6,254,098
- Issue date Jul 3, 2001
- Francis H Kirkpatrick
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Multidimensional crossword game and puzzle
- Publication number 20100331067
- Publication date Dec 30, 2010
- Francis H. Kirkpatrick
- A63 - SPORTS GAMES AMUSEMENTS