| Patents Granted on 1889-05-21 |
Patents 1 -
15
of 47
      |
| Number | Date | Patentee | Title | Type |
| 403,509 | May 21, 1889 | F. Higgins | Lathe-chuck | metal lathe chucks |
| 403,518 | May 21, 1889 | G.W. Bishop, A. Milliken, W. Cooper | Hinge Mortiser | mortise chisels |
| 403,520 | May 21, 1889 | J. Cumming | Device for Welding the Ends of Boiler Flues | welding apparatus |
| 403,521 | May 21, 1889 | E. Cutlan | Tool for spiral turning | rope and spiral cutting machines |
| 403,529 | May 21, 1889 | F.J. Gay | Expansible Mandrel | mandrels and arbors |
| 403,533 | May 21, 1889 | W. Hipperling | Machine for Slitting Sheets of Tin | cutting and trimming machines |
| 403,534 | May 21, 1889 | G.W. Holland | Veterinary Instrument | veterinarians |
| 403,536 | May 21, 1889 | O. Kramer | Fork | hay or straw forks |
| 403,543 | May 21, 1889 | M. Luscomb | Vacuum or Pressure Gage | vacuum and pressure gauges |
| 403,544 | May 21, 1889 | F. Maranville | Oil Can | oil cans |
| 403,579 | May 21, 1889 | E.J. Delaurier | Apparatus for Utilizing the Power of Water | tide mills |
| 403,586 | May 21, 1889 | J.A. Hamer | Forging Machine | forging machines |
| 403,589 | May 21, 1889 | F. Higgins | Lathe Chuck | metal lathe chucks |
| 403,596 | May 21, 1889 | F.H. Kane | Stave Dressing Machine | barrel making machines |
| 403,601 | May 21, 1889 | J. McAllister | Steam Engine | steam engines |