Rolf A. Thienemann

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Chicago, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Printer for electric coding machines
- Patent number 4,185,928
- Issue date Jan 29, 1980
- The United States of America as represented by the Secretary of the Navy
- Howard L. Krum
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Printing and coding machine
- Patent number 4,155,659
- Issue date May 22, 1979
- The United States of America as represented by the Secretary of the Navy
- Edward S. Larson
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS