Markings on a roller-band

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Patents Grantslast 30 patents

Information Patent Grant
Automatic scroll sign
- Patent number 4,110,925
- Issue date Sep 5, 1978
- Minnesota Mining and Manufacturing Company
- Neal T. Strand
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Numeric display using three endless belts
- Patent number 3,965,593
- Issue date Jun 29, 1976
- General Indicator Corporation
- Robert J. Harruff
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
3699564
- Patent number 3,699,564
- Issue date Oct 17, 1972
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
2694269
- Patent number 2,694,269
- Issue date Nov 16, 1954
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
2635372
- Patent number 2,635,372
- Issue date Apr 21, 1953
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
1561220
- Patent number 1,561,220
- Issue date Nov 10, 1925
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS