All Patents of Type: inclinometers |
Patents 1 -
15
of 76
|
Number | Date | Patentee | Title | Type |
7,263 | Apr. 09, 1850 | W.G. Ladd, Jr. | Fluid Level | inclinometers |
9,722 | May 17, 1853 | T.A. Chandler | Pendulum Level | inclinometers |
11,596 | Aug. 29, 1854 | L. Brooks | Inclinometer | inclinometers |
12,384 | Feb. 13, 1855 | H.W. Evans | Spirit Level | inclinometers |
17,023 | Apr. 14, 1857 | T.A. Chandler | Pendulum Level or Inclinometer | inclinometers |
30,914 | Dec. 18, 1860 | T. Joyce, G.N. Fairchild | Collimator | inclinometers |
35,298 | May 20, 1862 | A. Cahoon, Jr. | Improvement in Combined Spirit-Levels | inclinometers |
36,312 | Aug. 26, 1862 | E. Thayer | Plane Angulometer | inclinometers |
38,252 | Apr. 21, 1863 | F.A. Traut | Improvement in Combined Plumb and Levels | inclinometers |
40,428 | Oct. 27, 1863 | W.H. Polleys, D.D. Polleys | Improvement in Plumb-Levels | inclinometers |
51,564 | Dec. 19, 1865 | G. Cuppers | Inclinometer | inclinometers |
52,579 | Feb. 13, 1866 | R. Ledig | Improvement in Spirit-Levels | inclinometers |
66,695 | Jul. 16, 1867 | A.W. Elmer, C. Ensminger | Plumb Level | inclinometers |
71,279 | Nov. 26, 1867 | P. Clifford | Improvement in Adjustable Spirit Levels | inclinometers |
73,391 | Jan. 14, 1868 | H. Schüssler | Chain-Inclinometer | inclinometers |