| All Patents in class 409/314 |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 497,997 | May 23, 1893 | J.T. Wilkin | Machine for Planing Cyclodal Surfaces | metal planers |
| 497,998 | May 23, 1893 | J.T. Wilkin | Machine for Forming Cyclodal Surfaces | metal planers |
| 509,086 | Nov. 21, 1893 | E.D. Johnston | Planing Machine for Blower Pistons | metal planers |
| 533,025 | Jan. 22, 1895 | J.H. Morrison, W.W. Wainright | Device for Producing Cyclodal Curves | metalworking machine mechanisms |
| 534,827 | Feb. 26, 1895 | T.W. Green | Attachment for Metal Planing Machines | metal planer accessories |
