Lyndon O. Barton

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Newark, DE, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for creating a multiplication and division puzzle
- Patent number 8,360,780
- Issue date Jan 29, 2013
- Lyndon O. Barton
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Bridge bidding aid
- Patent number 4,436,324
- Issue date Mar 13, 1984
- Lyndon O. Barton
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Dual timing apparatus
- Patent number 4,340,947
- Issue date Jul 20, 1982
- Lyndon O. Barton
- G04 - HOROLOGY
Information Patent Grant
Timing device
- Patent number 4,238,846
- Issue date Dec 9, 1980
- Lyndon O. Barton
- G04 - HOROLOGY
Information Patent Grant
Dual timer device
- Patent number 4,236,242
- Issue date Nov 25, 1980
- Lyndon O. Barton
- G07 - CHECKING-DEVICES

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND SYSTEM FOR CREATING A MULTIPLICATION AND DIVISION PUZZLE
- Publication number 20130184041
- Publication date Jul 18, 2013
- Lyndon O. Barton
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Method and system for creating a multiplication and division puzzle
- Publication number 20070255780
- Publication date Nov 1, 2007
- Lyndon O. Barton
- A63 - SPORTS GAMES AMUSEMENTS