| All Patents in class 475/343 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 19,769 | Mar. 30, 1858 | J. Grant | Horse Power | animal powered apparatus |
| 25,497 | Sep. 20, 1859 | L.R. Faught | Horse-power machine | animal powered apparatus |
| 1,789,412 | Jan. 20, 1931 | G.D. Sleeth, H.W. Oster | Portable power-driven tool | handheld power tools |
| 2,295,299 | Sep. 08, 1942 | R.M. Shaw, Jr. | Power Transmission | metalworking power transmission |
| 3,037,429 | Jun. 05, 1962 | G.H. Schurger | Right Angle Milling Attachment | horizontal boring mill attachments |
| 3,316,772 | May 02, 1967 | G.H. Jones | Multiple Pinion Wound Up Power Drive | horizontal boring mills |
