the selected cards being restrained and the remaining card-file being laterally displaced

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Patents Grantslast 30 patents

Information Patent Grant
Machine-retrievable card and card retrieval apparatus and method th...
- Patent number 4,601,397
- Issue date Jul 22, 1986
- Access Corporation
- Paul J. Neumeier
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Information storage card with coded vertical edge
- Patent number 3,974,361
- Issue date Aug 10, 1976
- GAF Corporation
- John H. Lanahan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
3901796
- Patent number 3,901,796
- Issue date Aug 26, 1975
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
3616902
- Patent number 3,616,902
- Issue date Nov 2, 1971
- G06 - COMPUTING CALCULATING COUNTING