| All Patents in class 475/327 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 427,492 | May 06, 1890 | E. Wright | Apparatus for Transmitting and Converting Motion | industrial machine speed and direction changing mechanisms |
| 765,346 | Jul. 19, 1904 | C.F. Smith | Reversing mechanism | industrial machine pulleys and belt drive mechanisms |
| 873,965 | Dec. 17, 1907 | H.B. Smith | Power Transmitting Device | industrial machine pulleys and belt drive mechanisms |
| 1,178,284 | Apr. 04, 1916 | A. Winton | Transmission Mechanism | industrial machine speed and direction changing mechanisms |
| 1,680,141 | Aug. 07, 1928 | W.T. Emmes | Reversing and braking mechanism for machine tools | metalworking machine mechanisms |
| 2,141,209 | Dec. 27, 1938 | G.W. Emrick | Tapping attachment | tapping heads and chucks |
