William Apperson

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Renton, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Device and method for inspecting markings
- Patent number 7,068,861
- Issue date Jun 27, 2006
- Renaissance Learning, Inc.
- Mark R. Swanson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical mark reader
- Patent number 6,736,319
- Issue date May 18, 2004
- Renaissance Learning, Inc.
- Mark R. Swanson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data processing form for use with a scanning apparatus
- Patent number 6,695,216
- Issue date Feb 24, 2004
- William Apperson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data processing form using a scanning apparatus
- Patent number 6,079,624
- Issue date Jun 27, 2000
- Apperson; William C.
- William C. Apperson
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Optical mark reader
- Publication number 20030047607
- Publication date Mar 13, 2003
- Mark R. Swanson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Device and method for inspecting markings
- Publication number 20030044091
- Publication date Mar 6, 2003
- Mark R. Swanson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Data processing form for use with a scanning apparatus
- Publication number 20020134845
- Publication date Sep 26, 2002
- William Apperson
- G06 - COMPUTING CALCULATING COUNTING