| Patents Granted on 1930-02-?? |
Patents 1 -
15
of 53
      |
| Number | Date | Patentee | Title | Type |
| 1,745,523 | Feb. 04, 1930 | R.O. Beardsley | Apparatus for Testing Taper Threaded Screws | |
| 1,745,537 | Feb. 04, 1930 | J. Hartness | Cradle Carriage for Comparators | comparators |
| 1,745,558 | Feb. 04, 1930 | J.L. Rubel | Hand plane | block planes |
| 1,745,573 | Feb. 04, 1930 | J.J. Harten | Vertical Shaping Machine | metal slotting machines |
| 1,745,630 | Feb. 04, 1930 | C.G. Mahana | Railway Motor Car | railroad motor cars |
| 1,745,638 | Feb. 04, 1930 | A. Peter | Fan Mounting | cooling apparatus |
| 1,745,646 | Feb. 04, 1930 | H.C. Schneider | Grinding Machine | fanning mills |
| 1,745,660 | Feb. 04, 1930 | W.J. Denning | Expanding Arbor | reamers |
| 1,745,701 | Feb. 04, 1930 | O.A. Miller | Cutter and Shaper Head | cutterheads |
| 1,745,716 | Feb. 04, 1930 | G.W. Rynders | Hopper | conveyors and hoppers |
| 1,745,780 | Feb. 04, 1930 | W.P. Casey | Woodworking machine | handheld routers |
| 1,745,852 | Feb. 04, 1930 | N.W. Burbridge, E.E. Hawkinson | Cage Making Machine | |
| CA-297,436 | Feb. 11, 1930 | C.S. Weyandt | Rectification system | rectifiers |
| CA-297,437 | Feb. 11, 1930 | C.S. Weyandt | Reciprocating motor | reciprocating or vibrating electric motors |
| 1,746,263 | Feb. 11, 1930 | D.C. Klausmeyer | Direct Drive Drill | drill presses |
