| Patents Granted on 1928-05-15 |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 1,669,423 | May 15, 1928 | C.H. Schmidgall | Boring tool | mortising machines |
| 1,669,873 | May 15, 1928 | F.O. Hoagland | Snap Gauge | snap gages |
| 1,669,911 | May 15, 1928 | G.D. Sleeth, H.W. Oster | Machine for cutting off pipes and the like | pipe cutting machines |
| 1,669,941 | May 15, 1928 | R.M. Kennedy | Power saw | tablesaws |
| 1,669,994 | May 15, 1928 | H.L. Myers | Base grinding-machine wheel | |
| 1,670,001 | May 15, 1928 | . | Combination Tool | combination tools |
| 1,670,076 | May 15, 1928 | F.W. Milbourn | Motor-operated veneer lathe | veneer machines |
| 1,670,097 | May 15, 1928 | F. Farrel, Jr., J.M. Dardis, D.R. Bowen | Cane Grinding Mill | sugar cane apparatus |
| 1,670,111 | May 15, 1928 | E.B. Gardner | Grinding machine | |
| 1,670,139 | May 15, 1928 | F.B. Cockburn | Lathe | metal lathe mechanisms |
| 1,670,250 | May 15, 1928 | F. Froschhauser | Armor Cutting Tool | pliers |
| 1,670,261 | May 15, 1928 | H.L. Johnston | Apparatus for cutting foodstuffs | |
