| Patents for none listed |
Patents 1126 -
1140
of 3298
      |
| Number | Date | Patentee | Title | Type |
| DE-497,052 | May 05, 1930 | n. listed | Machine for Grinding Balls Between Rotating Grinding or Guide Disks in a Threefold Arrangement | grinding machines |
| FR-680,778 | May 06, 1930 | n. listed | Improvements to Grinding Machines | grinding machines |
| 1,756,949 | May 06, 1930 | E.S. McGonegal | Portable Grinding Tool | metal lathe accessories and attachments |
| 1,758,013 | May 13, 1930 | J.E. Caldwell, J.L. Schubert | Adjustable Wrench | screw adjust wrenches |
| 1,759,345 | May 20, 1930 | R.T. Chase | Can Opener | can and jar openers |
| GB-309,412 | May 22, 1930 | n. listed | Improvements in or Relating to Processes of and Machines for Grinding Work Pieces with a Plurality of Unequal Diameters | grinding machines |
| D81,221 | May 27, 1930 | W. Ames | Gauge | measurement gauges |
| 1,760,717 | May 27, 1930 | A.F. Peglow | Gauge | measurement gauges |
| 1,760,799 | May 27, 1930 | J.P. Fleming, C.E. Wakefield, J.F. Oliver | Socket Wrench Set | wrench set holders |
| 1,761,263 | Jun. 03, 1930 | F.A. Haist | Method of Making Ratchet Wrenches | ratchet wrenches |
| 1,761,891 | Jun. 03, 1930 | C.W. Manzel | Lubricating System | |
| 1,762,063 | Jun. 03, 1930 | G.H. Knight | Mechanical Movement | metalworking machine mechanisms |
| 1,762,324 | Jun. 10, 1930 | W.A. Bernard | Wrench | pipe wrenches |
| 1,763,353 | Jun. 10, 1930 | W.M. Heller | Wrench | firehose and hydrant wrenches |
| 1,764,184 | Jun. 17, 1930 | A.C. Savidge | Valve Seat Reamer | valve reseating tools |
