for calculating taxes

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Patents Grantslast 30 patents

Information Patent Grant
Estate and gift tax estimator
- Patent number 4,994,657
- Issue date Feb 19, 1991
- Mark S. Charwat
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Tax calculator
- Patent number 4,324,975
- Issue date Apr 13, 1982
- Robert L. Rees
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
2673035
- Patent number 2,673,035
- Issue date Mar 23, 1954
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
2650763
- Patent number 2,650,763
- Issue date Sep 1, 1953
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
2627373
- Patent number 2,627,373
- Issue date Feb 3, 1953
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
2553338
- Patent number 2,553,338
- Issue date May 15, 1951
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
2488271
- Patent number 2,488,271
- Issue date Nov 15, 1949
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
2453909
- Patent number 2,453,909
- Issue date Nov 16, 1948
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
2424890
- Patent number 2,424,890
- Issue date Jul 29, 1947
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
2415581
- Patent number 2,415,581
- Issue date Feb 11, 1947
- G06 - COMPUTING CALCULATING COUNTING