| Patents Granted on 1930-07-29 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 1,771,536 | Jul. 29, 1930 | A.M. Greene, Jr. | Lubricating Device | steam engine lubricators |
| 1,771,575 | Jul. 29, 1930 | J.B. Armitage, E.J. Kearney | Milling Machine | milling machines |
| 1,771,602 | Jul. 29, 1930 | R.S. Jackson, E.P. Armstrong | Grinder for Concave Saw Teeth | saw sharpening machines |
| 1,771,610 | Jul. 29, 1930 | J.R. Blakeslee | Metal Working | forging apparatus and accessories |
| 1,771,692 | Jul. 29, 1930 | I.C. Saunders | Wrench | screw adjust wrenches |
| 1,771,709 | Jul. 29, 1930 | E.F. Gibbs | Method of Forming Turning Tool Holders | lathe tool holders and tool posts |
| 1,771,857 | Jul. 29, 1930 | J. Jenne, L.H. Mesker | Knee Clamp for Planers | metal planers |