| Patents Granted on 1921-05-17 |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| GB-164,057 | May 17, 1921 | P. Hunt, H.W. Hunt, H. Hunt | Improvements in automatic flute milling machines for reamers, taps, shafts and the like | making drills and augers |
| 1,378,101 | May 17, 1921 | W.F. Folmer | Photographic Printing Apparatus | photographic printers |
| 1,378,209 | May 17, 1921 | J.E. Bergman | Wrench | nut wrenches |
| 1,378,290 | May 17, 1921 | J.H. Smith | Adjustable Tool Holder | drilling and boring tool holders |
| 1,378,332 | May 17, 1921 | E.R. Draver | Disk wheel | |
| 1,378,565 | May 17, 1921 | T. Schou | Brush-holder | motor brush holders |
| 1,378,642 | May 17, 1921 | L.I. Yeomans | Process and machine for making crank-shafts for engines, compressors, and the like | crankshaft lathes |
| 1,378,650 | May 17, 1921 | C. Bodmer | Saw-Set | saw sets |
| 1,378,658 | May 17, 1921 | F.H. Clement | Lubricator for ball-bearings | machine lubricators |
| 1,378,759 | May 17, 1921 | F.W. Bernero | Belt Lacing Plier | belts, belt lacing and belt lacers |
