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Patents Grantslast 30 patents

Information Patent Grant
Color computer wheel
- Patent number 4,399,353
- Issue date Aug 16, 1983
- James K. Adkins
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Calculator for determining optimum tone reproduction
- Patent number 4,390,778
- Issue date Jun 28, 1983
- Thomas N. Toivonen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
3858798
- Patent number 3,858,798
- Issue date Jan 7, 1975
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
3831840
- Patent number 3,831,840
- Issue date Aug 27, 1974
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
2575288
- Patent number 2,575,288
- Issue date Nov 13, 1951
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
2418933
- Patent number 2,418,933
- Issue date Apr 15, 1947
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
1796955
- Patent number 1,796,955
- Issue date Mar 17, 1931
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
1444381
- Patent number 1,444,381
- Issue date Feb 6, 1923
- G06 - COMPUTING CALCULATING COUNTING