All Patents in class 74/414 |
Patents 1 -
5
of 5
|
Number | Date | Patentee | Title | Type |
54,589 | May 08, 1866 | S.W. Palmer, J.F. Palmer | Improvement in gearing | industrial machine gearing |
134,237 | Dec. 24, 1872 | C.H. Amidon | Improvement in drills | eggbeater drills |
173,467 | Feb. 15, 1876 | W. Hill | Improved Gear-Wrench | tire bolt wrenches |
220,144 | Sep. 30, 1879 | E. Harrington | Improvement in hoisting-pulley apparatus | hoists, winches, come-alongs |
244,290 | Jul. 12, 1881 | J.C. Pennington, E.J. Pennington | Reciprocating cylinder-head for planing-machines | wood planers |