| Patents for none listed |
Patents 451 -
465
of 3142
      |
| Number | Date | Patentee | Title | Type |
| 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 | |
| 1,297,990 | Mar. 25, 1919 | W. Blacker | Treadle Hammer | power hammers |
| 1,299,510 | Apr. 08, 1919 | R.A. Rosander | Wrench | quick adjust wrenches |
| 1,301,674 | Apr. 22, 1919 | R.B. Ferguson | Wrench | screw adjust wrenches |
| RE14,640 | Apr. 29, 1919 | R.A. Durland | Valve Spring Compressor | valve spring tools |
| 1,301,937 | Apr. 29, 1919 | J.N. Heald, A.M. Drake | Belt-tightener | grinding machines |
| 1,303,157 | May 06, 1919 | C.P. Brockway | Spline Shaft Spanner Wrench | spanner wrenches |
