| Patents for none listed |
Patents 451 -
465
of 3199
      |
| Number | Date | Patentee | Title | Type |
| 1,287,024 | Dec. 10, 1918 | R.P. Place, J.E. Hoy | Grinding Wheel Dresser | grinder dressers |
| 1,287,203 | Dec. 10, 1918 | A.M. Saunders, P. Boyd | Drill Tube Section | well digging or drilling tools |
| 1,287,731 | Dec. 17, 1918 | F. Müller | Automatic Grinding Machine | grinders |
| 1,287,732 | Dec. 17, 1918 | F. Müller | Machine for Milling Knurls | embossing and knurling machines |
| 1,288,788 | Dec. 24, 1918 | A. Zimmermann | Micrometer | micrometers |
| 1,288,903 | Dec. 24, 1918 | A.H. Ingle | Axle Lathe | metal lathes |
| 1,288,978 | Dec. 24, 1918 | F.A. Parsons | Milling Machine | milling machines |
| 1,288,998 | Dec. 24, 1918 | E. Rivett | Grinding Machine | grinding machines |
| 1,289,375 | Dec. 31, 1918 | F.E. Bright | Grinding Machine | |
| 1,290,489 | Jan. 07, 1919 | W.J. Bauer | Spiral tool-driver | spiral screwdrivers |
| 1,292,792 | Jan. 28, 1919 | F.O. Jaques, Jr. | Gage | special purpose gauges |
| 1,294,515 | Feb. 18, 1919 | P. Monahan | Strap Wrench | chain and strap wrenches |
| 1,294,857 | Feb. 18, 1919 | C.F. Yuncker | Attachment For Wrenches | brace wrenches |
| 1,295,363 | Feb. 25, 1919 | J. Parker | Indexing Center | |
| 1,295,735 | Feb. 25, 1919 | W. Grumdmann | Cocrete Finishing Tool | |
