by measuring the distance of fall or the final velocity of a falling body

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Patents Grantslast 30 patents

Information Patent Grant
3065963
- Patent number 3,065,963
- Issue date Nov 27, 1962
- G04 - HOROLOGY
Information Patent Grant
2962214
- Patent number 2,962,214
- Issue date Nov 29, 1960
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
2691415
- Patent number 2,691,415
- Issue date Oct 12, 1954
- G01 - MEASURING TESTING
Information Patent Grant
2513110
- Patent number 2,513,110
- Issue date Jun 27, 1950
- G04 - HOROLOGY
Information Patent Grant
2351023
- Patent number 2,351,023
- Issue date Jun 13, 1944
- G04 - HOROLOGY