| Patents Granted on 1928-05-22 |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 1,670,360 | May 22, 1928 | G.T. Johnson | Woodworking machinery | wood planers |
| 1,670,365 | May 22, 1928 | H.G. Alder, E. Knauss | Governor for Internal Combustion Engines | internal combustion engine governors |
| 1,670,493 | May 22, 1928 | G.C. Prime, R.S. Clark, M.C. Talcott | Drop Hammer | drop hammers |
| 1,670,540 | May 22, 1928 | H. Humphreys | Tool rest | wood lathes |
| 1,670,646 | May 22, 1928 | A.W. Abrahamsen | Floor Scraper | scrapers |
| 1,670,648 | May 22, 1928 | O.S. Beyer | Automatic punching press | punch presses |
| 1,670,717 | May 22, 1928 | S. Einstein | Method of Grinding | grinding machines |
| 1,670,772 | May 22, 1928 | F.S. Jones | Vertical boring mill | vertical boring mills |
| 1,670,794 | May 22, 1928 | J.B. Armitage | Power Transmitting Mechanism | metalworking machine mechanisms |
| 1,671,048 | May 22, 1928 | P.B. Reeves | Belt fastener | industrial machine pulleys and belt drive mechanisms |
| 1,671,049 | May 22, 1928 | E.C. Shaw | Setwork | sawmill set works |
| 1,671,074 | May 22, 1928 | W.G. Hagmaier | Carriage feed | sawmill feed works |
