Jan Secka

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Mississauga, Ontario L5G 1J9, CA

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Patents Grantslast 30 patents

Information Patent Grant
Means for all-around display of a flat image over an angle of 360 d...
- Patent number 5,003,444
- Issue date Mar 26, 1991
- Jan Secka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS