| Patents Granted on 1930-05-13 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 1,758,013 | May 13, 1930 | J.E. Caldwell, J.L. Schubert | Adjustable Wrench | screw adjust wrenches |
| 1,758,023 | May 13, 1930 | A. Bjorklund | Lathe | wood lathes |
| 1,758,069 | May 13, 1930 | J.H. Abramson | Bit Extension | drill bit extensions |
| 1,758,080 | May 13, 1930 | E.R. Klemm, Jr. | Governor | internal combustion engine governors |
| 1,758,261 | May 13, 1930 | J.A. Leland | Tool and article holder | drill bit extensions |
| 1,758,656 | May 13, 1930 | G.W. Emrick | Tapping attachment | tapping heads and chucks |
| 1,758,775 | May 13, 1930 | C.C. Abbot | Heat Dissipating Device | |
| 1,758,834 | May 13, 1930 | L.R. Heston, A.L. Anderson | Machine to shape flooring blocks | specialty woodworking machines |
