All Patents of Type: center squares |
Patents 1 -
15
of 18
|
Number | Date | Patentee | Title | Type |
9,089 | Jul. 06, 1852 | N. Ames | Center Square for Finding the Center of a CIrcle | center squares |
82,917 | Oct. 13, 1868 | G.W. Brooks | Centering Square | center squares |
229,283 | Jun. 29, 1880 | L.S. Starrett | Try Square | center squares |
249,821 | Nov. 22, 1881 | S.H. Bellows | Combination Square | center squares |
265,287 | Oct. 03, 1882 | W.H. Sleeper | Centering Try Square | center squares |
329,892 | Nov. 10, 1885 | J.C. Eckert | Combined Gage and Center Square | center squares |
407,285 | Jul. 16, 1889 | C. Ensminger | Combined Square, Level, Protractor, &c. | combination tools |
535,223 | Mar. 05, 1895 | W.S. Rowell | Measuring and Drawing Instrument | center squares |
659,513 | Oct. 09, 1900 | A.P. Dubus | Square | miter squares |
705,867 | Jul. 29, 1902 | H.H. Richardson | Combination Square and Level | bevel squares |
713,096 | Nov. 11, 1902 | J.O. Hess | Combination Tool | measurement gauges |
786,824 | Apr. 11, 1905 | R.C. Lynn | Square | try squares |
798,695 | Sep. 05, 1905 | E. Oehrle | Combination Square and Protractor | protractors |
855,338 | May 28, 1907 | M.C. Raymond | Combination Tool | center squares |
1,262,434 | Apr. 09, 1918 | W.E. Beeck | Scriber Attachment | curve marking gauges |