Record carriers with single-track for recording at spaced intervals along the track thereof

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Patents Grantslast 30 patents

Information Patent Grant
Disk drive
- Patent number 6,747,844
- Issue date Jun 8, 2004
- Citizen Watch Company, Ltd.
- Isao Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
3437763
- Patent number 3,437,763
- Issue date Apr 8, 1969
- G11 - INFORMATION STORAGE
Information Patent Grant
3261524
- Patent number 3,261,524
- Issue date Jul 19, 1966
- G11 - INFORMATION STORAGE
Information Patent Grant
3052762
- Patent number 3,052,762
- Issue date Sep 4, 1962
- G11 - INFORMATION STORAGE
Information Patent Grant
2921992
- Patent number 2,921,992
- Issue date Jan 19, 1960
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
2846515
- Patent number 2,846,515
- Issue date Aug 5, 1958
- G11 - INFORMATION STORAGE
Information Patent Grant
2613939
- Patent number 2,613,939
- Issue date Oct 14, 1952
- G11 - INFORMATION STORAGE
Information Patent Grant
2568601
- Patent number 2,568,601
- Issue date Sep 18, 1951
- G11 - INFORMATION STORAGE
Information Patent Grant
2290732
- Patent number 2,290,732
- Issue date Jul 21, 1942
- G11 - INFORMATION STORAGE
Information Patent Grant
1377749
- Patent number 1,377,749
- Issue date May 10, 1921
- G11 - INFORMATION STORAGE