| Patents for none listed |
Patents 346 -
360
of 3291
      |
| Number | Date | Patentee | Title | Type |
| 1,252,612 | Jan. 08, 1918 | R.W. Perry | Sharpening Device | |
| 1,252,638 | Jan. 08, 1918 | F.X. Wiedman | Adjustable Clamp | hand screws |
| 1,253,511 | Jan. 15, 1918 | J.C. Moler | Coal Drill Socket Retaining Apparatus | |
| 1,253,966 | Jan. 15, 1918 | F.W. Harris | Process and Apparatus for Treating Drill Pipe | oilfield machinery |
| 1,254,157 | Jan. 22, 1918 | C. Perkins | Machine for Use in the Manufacture of Nails | nail making machines |
| 1,254,233 | Jan. 22, 1918 | J.P. Johnson | Automatic Speed Changing Attachment for Gear Cutting Machines | industrial machine speed and direction changing mechanisms |
| 1,254,284 | Jan. 22, 1918 | R.J. Southwood | Garden Shears, Pruner and the Like | |
| 1,254,328 | Jan. 22, 1918 | J.M. Kanall | Saw | crosscut saw teeth |
| 1,254,486 | Jan. 22, 1918 | W. Draeger | Igniting Device | |
| 1,254,589 | Jan. 22, 1918 | J. Forsman | Shaper Fixture | metal shapers |
| FR-485,637 | Jan. 24, 1918 | n. listed | Safety Control Mechanism for Electrically Driven Vehicles | motor vehicle accessories |
| 1,254,709 | Jan. 29, 1918 | O. Anderson, D. Levinger | Tapping Machine | |
| D51,729 | Feb. 05, 1918 | C.W. Manzel | Leaf Spring Lubricating Tool | leaf spring spreaders and lubricators |
| 1,256,131 | Feb. 12, 1918 | R. Hervig | Lathe Attachment | metal lathe chucks |
| 1,256,269 | Feb. 12, 1918 | A.C. Seeger | Compression Grease Cup | |
