All Patents in class 279/62 |
Patents 1 -
15
of 16
|
Number | Date | Patentee | Title | Type |
96,881 | Nov. 16, 1869 | C.L. Butler | Improvement in bit-braces | brace chucks |
100,458 | Mar. 01, 1870 | H.S. Shepardson | Curved or segmental sliding jaws | brace chucks |
173,152 | Feb. 08, 1876 | T.R. Almond | Improvement in Drill-Chucks | drill chucks |
210,875 | Dec. 17, 1878 | E.S. Pierce | Three-jaw scroll chuck with conical volute | |
407,554 | Jul. 23, 1889 | G.B. Taylor, C. Taylor | Drill Chuck | drill press chucks |
454,074 | Jun. 16, 1891 | J.N. Skinner | Drill-chuck | drill press chucks |
709,014 | Sep. 16, 1902 | A.I. Jacobs | Drill-chuck | drill chucks |
845,773 | Mar. 05, 1907 | L.T. Gauss | Drill-chuck | drill chucks |
897,335 | Sep. 01, 1908 | T.R. Almond | Drill-chuck | drill chucks |
911,012 | Jan. 26, 1909 | A.I. Jacobs | Chuck | drill chucks |
933,741 | Sep. 14, 1909 | J. Bradley | Drill Chuck | drill press chucks |
1,038,755 | Sep. 17, 1912 | H.S. Hubbell | Chuck | drill press chucks |
1,053,530 | Feb. 18, 1913 | A.A. North | Drill-chuck | drill chucks |
1,061,934 | May 13, 1913 | A.E. Church | Three-jaw key-operated chuck with split gear-ring. | |
1,123,541 | Jan. 05, 1915 | A.I. Jacobs | Chuck | drill chucks |