| Patents Granted on 1930-03-__ |
Patents 1 -
15
of 44
      |
| Number | Date | Patentee | Title | Type |
| FR-677,089 | Mar. 03, 1930 | n. listed | Process Improvements For The Manufacture Of Non-Cylindrical Rollers | grinding machines |
| 1,749,002 | Mar. 04, 1930 | E. Nester, J.J. Schneider | Wrench | wrench adjustment locks |
| 1,749,080 | Mar. 04, 1930 | W.H. Mathers | Hydraulic filter press | |
| 1,749,108 | Mar. 04, 1930 | G.M. Pelton | Sawmill-dogging means | sawmill dogs |
| 1,749,109 | Mar. 04, 1930 | G.M. Pelton | Sawmill carriage | sawmill carriages |
| 1,749,110 | Mar. 04, 1930 | G.M. Pelton | Sawmill carriage | sawmill carriages |
| 1,749,114 | Mar. 04, 1930 | H.E. Tautz | Toy sewing machine | sewing machines |
| 1,749,300 | Mar. 04, 1930 | W.H. Odlum, E.H. Peterson | Valve grinder | |
| 1,749,328 | Mar. 04, 1930 | A. Turner, S. Einstein | Dead-Center Grinder | grinding machines |
| 1,749,373 | Mar. 04, 1930 | A.A. Breuer | Combined blower and suction device | dust collectors |
| 1,749,374 | Mar. 04, 1930 | E.P. Bullard, Jr. | Machine Tool | |
| 1,749,442 | Mar. 04, 1930 | F. Pass | Knife Sharpener | sharpening apparatus |
| 1,749,473 | Mar. 04, 1930 | B.P. Graves | Interlocking Manual and Power Feed Control | machine tool controls |
| 1,749,514 | Mar. 04, 1930 | J.Y. Scott | Valve-reseating apparatus | valve and seat maintenance |
| 1,749,598 | Mar. 04, 1930 | E.F. McNutt | Lead Screw Controlling Device for Lathes | metal lathes |
