All Patents of Type: plumbs |
Patents 1 -
13
of 13
|
Number | Date | Patentee | Title | Type |
NS-55 | Jan. 28, 1860 | A.N. Cole | Gravitating plumb and level | levels |
39,124 | Jul. 07, 1863 | D.G. Davidson, E. Pullen, J.S. Davidson | Plumb, Level, and Square | plumbs |
72,159 | Dec. 17, 1867 | S.A. Bostwick | Plumb & Level | plumbs |
143,595 | Oct. 14, 1873 | C.J. Shoff | Combined Squares, Protractors, Rules, Bevels, Plumbs and Levels | plumbs |
342,303 | May 18, 1886 | J. Morrison | Combined Plumb, Level and Rule | plumbs |
361,728 | Apr. 26, 1887 | F. Sonntag | Plumb Level | wooden levels |
505,445 | Sep. 26, 1893 | W.R. Dorton | Adjustable Spirit Level and Plumb Device | spirit levels |
597,886 | Jan. 25, 1898 | H.S. Minot | Plumb Level | inclinometers |
714,957 | Dec. 02, 1902 | O.F. Sinigar | Plumb Level | plumbs |
730,568 | Jun. 09, 1903 | W. Potter | Combination Carpenter's Level | spirit levels |
743,100 | Nov. 03, 1903 | W. Potter | Carpenter's Level and Quadrant | spirit levels |
765,321 | Jul. 19, 1904 | W. Potter | Level and Plumb | plumbs |
909,846 | Jan. 12, 1909 | W.N. Cavileer | Plumb Bob and Chalk Line Holder | plumbs |