Patents for J. W. Smith |
Patents 1 -
5
of 5
|
Number | Date | Patentee | Title | Type |
60,269 | Dec. 04, 1866 | C.B. Smith | Improvement in friction pulley | industrial machine pulleys and belt drive mechanisms |
221,862 | Nov. 18, 1879 | S.W. Putnam | Improvement in devices for securing the tail-stocks of metal-turning lathes | metal lathes |
280,354 | Jul. 03, 1883 | J.R. Crawford | Shingle-machine | shingle machines |
440,152 | Nov. 11, 1890 | W.J. Henderson | Reversing-gear for saw-mill carriages | sawmill feed works |
458,164 | Aug. 25, 1891 | L. Gutmann | Method of operating alternating electric motor | electric motors |