All Patents in class 76/112 |
Patents 1 -
15
of 51
|
Number | Date | Patentee | Title | Type |
64,954 | May 21, 1867 | H. Disston | Improved Process of Treating Steel Blades | tool making machines |
67,734 | Aug. 13, 1867 | H. Disston | Improvement in Hardening and Straightening Steel Blades | tool making machines |
86,286 | Jan. 26, 1869 | H. Disston | Improvement in Device for Simultaneously Hardening and Straightening Circular-Saw Blades | tool making machines |
88,649 | Apr. 06, 1869 | J.B. Machamer | Improvement in index for filing circular saws | sawblades |
101,942 | Apr. 12, 1870 | T. Taylor | Improved Method of Manufacturing Circular Saws | making sawblades |
109,881 | Dec. 06, 1870 | T.S. Disston | Improved Process for concave/vex Circular blades | |
118,800 | Sep. 12, 1871 | G.B. Green | Improvement in saws | handsaws |
142,780 | Sep. 16, 1873 | J.E. Emerson | Improvement in blanks for saw-teeth | saw teeth |
151,043 | May 19, 1874 | W.P. Miller | Improvement in saws | sawblades |
152,970 | Jul. 14, 1874 | M. Chase | Sawblade for scroll or band saws | sawblades |
181,650 | Aug. 29, 1876 | H. Disston | Double Taper Saw Blade | handsaws |
RE7,464 | Jan. 16, 1877 | G.F. Simonds | Improvement in Tempering and Forming Article of Steel | tool making machines |
RE7,465 | Jan. 16, 1877 | G.F. Simonds | Improvement in Tempering and Forming Article of Steel | tool making machines |
218,184 | Aug. 05, 1879 | J. King | Improvement in wood-working tools | knives and cutters |
237,915 | Feb. 15, 1881 | G.F. Simonds | Methd of correcting unequal tension in circular saws | tool making machines |