Todd A. Dueker

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Camillus, NY, 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
Lottery game tickets and methods for making same
- Patent number 6,752,319
- Issue date Jun 22, 2004
- Hand Held Products, Inc.
- Michael A. Ehrhart
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Methods for processing security documents
- Patent number 6,419,157
- Issue date Jul 16, 2002
- Hand Held Products, Inc.
- Michael A. Ehrhart
- G06 - COMPUTING CALCULATING COUNTING
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
Information Patent Grant
Apparatuses for processing security documents
- Patent number 6,304,660
- Issue date Oct 16, 2001
- Welch Allyn Data Collection, Inc.
- Michael A. Ehrhart
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Security document voiding system
- Patent number 6,186,404
- Issue date Feb 13, 2001
- Welch Allyn Data Collection, Inc.
- Michael A. Ehrhart
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Lottery game ticket processing apparatus
- Patent number 6,155,491
- Issue date Dec 5, 2000
- Welch Allyn Data Collection, Inc.
- Todd A. Dueker
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Lottery game tickets and methods for making same
- Publication number 20040182928
- Publication date Sep 23, 2004
- Michael A. Ehrhart
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Optical scanner data collection network employing multi-packet tran...
- Publication number 20020125323
- Publication date Sep 12, 2002
- Welch Allyn Data Collection, Inc.
- David H. Marrs
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Scratch-off material sensor system for lottery game tickets
- Publication number 20020084327
- Publication date Jul 4, 2002
- Welch Allyn Data Collection, Inc.
- Michael A. Ehrhart
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Lottery game tickets and methods for making same
- Publication number 20020053597
- Publication date May 9, 2002
- Welch Allyn Data Collection, Inc.
- Michael A. Ehrhart
- G06 - COMPUTING CALCULATING COUNTING