Francis Ziemba

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Madison, WI, US

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Patents Applicationslast 30 patents

Information Patent Application
Uniform data card illumination for optical reader
- Publication number 20020134914
- Publication date Sep 26, 2002
- Francis P. Ziemba
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Optical and smart card identification reader
- Publication number 20020030581
- Publication date Mar 14, 2002
- Martin J. Janiak
- G06 - COMPUTING CALCULATING COUNTING