All Patents of Type: wrenches |
Patents 1 -
15
of 5910
|
Number | Date | Patentee | Title | Type |
6,271X | Dec. 14, 1830 | D. Cushing, J. Blake | Improved Bed Key | wrenches |
6,338X | Jan. 12, 1831 | E.M. Waggener | Bar-Share Plow | auxiliary wrenches |
7,254X | Oct. 25, 1832 | H. King | Improvement in the Rack Wrench | nut wrenches |
8,153X | Apr. 18, 1834 | S. Merrick | Wrench | quick adjust wrenches |
9,030X | Aug. 17, 1835 | S. Merrick | Improvement in screw wrench | nut wrenches |
9,474X | Mar. 04, 1836 | D. Prouty, J. Mears | Plough | auxiliary wrenches |
9,749X | Jun. 20, 1836 | A.G. Hull | Wrench making | wrenches |
144 | Mar. 11, 1837 | D. Pierce | Improvement in Scythe-Snaths | auxiliary wrenches |
909 | Sep. 08, 1838 | J.M. Jorden | Improvement in Fire-Plugs and Hydrants to Prevent the Water From Freezing in Them | auxiliary wrenches |
1,301 | Aug. 24, 1839 | H.W. Hewet | Improved Screw-Wrench | nut wrenches |
1,659 | Jun. 27, 1840 | H.W. Hewet | Screw Wrench | nut wrenches |
1,720 | Aug. 12, 1840 | J. Keane, T. Keane, S. Kane | Screw-Wrench | screw adjust wrenches |
GB-184,008,764 | Dec. 31, 1840 | J. Stubs | Improvements in the construction of screw wrenches and spanners, for screwing and unscrewing nuts and bolts | screw adjust wrenches |
2,054 | Apr. 16, 1841 | L. Coes | Loring Coes Screw Wrench | nut wrenches |
2,165 | Jul. 10, 1841 | J. Brett | Improvement in Key-Wrenches | wedge adjust wrenches |