Cayetano Sanchez III

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East Greenwich, RI, US

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Patents Grantslast 30 patents

Information Patent Grant
Lottery game tickets and methods for making same
- Patent number 7,303,134
- Issue date Dec 4, 2007
- Michael A. Ehrhart
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Material detection systems for security documents
- Patent number 6,405,929
- Issue date Jun 18, 2002
- Hand Held Products, Inc.
- Michael A. Ehrhart
- G06 - COMPUTING CALCULATING COUNTING