| Patents Granted on 1929-05-?? |
Patents 1 -
15
of 39
      |
| Number | Date | Patentee | Title | Type |
| GB-310,723 | May 02, 1929 | C.W. Hampton | Improvements in or relating to vices | bench vises |
| GB-290,999 | May 07, 1929 | n. listed | Improved Process of and Apparatus for Grinding Hollow Articles | grinding machines |
| 1,711,915 | May 07, 1929 | J.D. Williams | Auxiliary Scrap Shears | metal shearing machines |
| 1,712,053 | May 07, 1929 | H. Shapan | Commutator-Truing Device | commutator dressing machines |
| 1,712,087 | May 07, 1929 | L.T. Medholdt | Cutter head | cutterheads |
| 1,712,148 | May 07, 1929 | S.L. Kneass | Process of Continuosly Supplying Steam at Low Pressure to Injectors | water injectors |
| 1,712,237 | May 07, 1929 | H. Weichsel | Alternating-current motor | induction motors |
| 1,712,261 | May 07, 1929 | F.E. Farley | Switch for power drills | handheld power drills |
| 1,712,473 | May 07, 1929 | G.E. McWethy | Socket Set | wrench set holders |
| GB-311,026 | May 09, 1929 | n. listed | Improvements Relating to Centreless Grinders | grinding machines |
| 1,712,484 | May 14, 1929 | W.S. Thomson | Screw Driver | screwdriver handles |
| 1,712,580 | May 14, 1929 | J.R. Parker | Slotting Machine | milling machines |
| 1,712,766 | May 14, 1929 | W. Jardh | Geared Headstock for Lathes | metal lathe accessories and attachments |
| 1,712,876 | May 14, 1929 | J.V. Dolezal | Wire-Threading Bit | hollow bits |
| 1,713,038 | May 14, 1929 | A.K. Ersland | Wrench | quick adjust wrenches |
