| Patents Granted on 1930-08-?? |
Patents 1 -
15
of 34
      |
| Number | Date | Patentee | Title | Type |
| GB-311,328 | Aug. 05, 1930 | n. listed | Improvements in or Relating to Centerless Grinders | grinding machines |
| 1,772,082 | Aug. 05, 1930 | J.H. Hoern | Device for Assembling and Holding Piston Rings for Machining Operations | metalworking machine mechanisms |
| 1,772,114 | Aug. 05, 1930 | T. Schou | Pole mounting for electrodynamo machines | electric motors |
| 1,772,148 | Aug. 05, 1930 | E.J. Hornberger | Cut-off machine | metal lathes |
| 1,772,224 | Aug. 05, 1930 | W.A. Peterson | Pliers | locking pliers |
| 1,772,267 | Aug. 05, 1930 | J.C. Regan | Scroll Chuck | metal lathe chucks |
| 1,772,406 | Aug. 05, 1930 | L.E. Whiton | Valve | steam valves |
| 1,772,428 | Aug. 05, 1930 | J.J. Palotce | Pliers, Tongs, or the Like | combination tools |
| 1,772,461 | Aug. 12, 1930 | C.B. Jahnke | Lubrication Means | internal combustion engine lubrication |
| 1,772,499 | Aug. 12, 1930 | E.C. Rumsey | Signal | |
| 1,772,514 | Aug. 12, 1930 | J. Hoogerhyde | Four-way blocking clamp | clamps |
| 1,772,524 | Aug. 12, 1930 | W.A. Seidemann | Ratchet Wrench | ratchet wrenches |
| 1,772,544 | Aug. 12, 1930 | L.R. Heim | Truing Device for Abrasive Wheels Used in Producing Ground Articles | grinding machines |
| 1,772,599 | Aug. 12, 1930 | J.E. Dobson | Press for forging or shaping metal | forging presses |
| 1,772,655 | Aug. 12, 1930 | J.H. Yeager | Dynamo-electric machine | electric motors |
