All Patents in class 279/36 |
Patents 16 -
30
of 78
|
Number | Date | Patentee | Title | Type |
175,105 | Mar. 21, 1876 | A. Rutz, W.A. Ives | Bit-brace | brace chucks |
177,089 | May 09, 1876 | E.M. Boynton | Bit-stock | brace chucks |
RE7,263 | Aug. 15, 1876 | W.H. Barber | Improvements in Devices for Holding Bits and Other Tools ... | brace chucks |
195,373 | Sep. 18, 1877 | W.A. Ives | Improvement in bit-braces | brace chucks |
202,548 | Apr. 16, 1878 | W.A. Ives | Bit-stock | brace chucks |
204,727 | Jun. 11, 1878 | H.C. Hart | Improvement in bit-stocks | brace chucks |
216,776 | Jun. 24, 1879 | Q.S. Backus | Bit-stock wrenches | brace chucks |
233,464 | Oct. 19, 1880 | Q.S. Backus | Bit-stock | |
234,517 | Nov. 16, 1880 | Q.S. Backus | Bit-stock | |
235,380 | Dec. 14, 1880 | S.S. Rightmyer | Bit-brace | braces |
243,978 | Jul. 05, 1881 | G.S. Rominger | Three-jaw chuck with self-aligning jaws | |
248,470 | Oct. 18, 1881 | W.A. Ives | Bit-stock | hand drills |
265,151 | Sep. 26, 1882 | G.S. Rominger | Three-jaw chuck with springs to spread the jaws open. | |
274,041 | Mar. 13, 1883 | H.V. Smith | Bit-stock | braces |
274,135 | Mar. 20, 1883 | C. Morrill | A single coaxial spring uges the jaws apart to receive the bit. | |