All Patents in class 81 |
Patents 16 -
30
of 6848
|
Number | Date | Patentee | Title | Type |
5,009 | Mar. 13, 1847 | Z.W. Avery | Ratchet-Wrench | ratchet wrenches |
5,707 | Aug. 15, 1848 | S. Merrick | Improved screw wrench | nut wrenches |
6,002 | Jan. 02, 1849 | F.H. Bartholomew, S. Merrick | Screw Wrench For Grasping Cylindrical Forms | pipe wrenches |
6,077 | Jan. 30, 1849 | A. Hay | Improved Hinged Claw-Wrench | self-adjust wrenches |
6,210 | Mar. 20, 1849 | D.H. Chamberlain | Sliding Wrench | nut wrenches |
6,256 | Apr. 03, 1849 | W.T. Barnes | Auger Stock | auger handles |
RE139 | Jun. 26, 1849 | L. Coes | Improvement In Screw-Wrenches | nut wrenches |
7,362 | May 14, 1850 | N. Colver | Revolving-Jaw Wrench | nut wrenches |
7,688 | Oct. 01, 1850 | G. Sanford | Auger-Handle | auger handles |
7,815 | Dec. 03, 1850 | A. Thayer | Auger-Handle | auger handles |
RE203 | Jun. 17, 1851 | E.L. Larkin, J.E. Larkin | Method of Attaching Augers to Their Handles | auger bits |
8,464 | Oct. 28, 1851 | M.S. Brooks | Means for Attaching Augers, &c., to their Handles | auger handles |
RE207 | Nov. 25, 1851 | S. Merrick | Wrench | nut wrenches |
8,878 | Apr. 13, 1852 | G.C. Taft | Double-Lever Box Opener | |
8,922 | May 04, 1852 | A. Hotchkiss | Adjustable Screw-Slide Wrench | screw adjust wrenches |