| Patents Granted on 1891-03-10 |
Patents 1 -
15
of 27
      |
| Number | Date | Patentee | Title | Type |
| 447,775 | Mar. 10, 1891 | C.A. Higbee | Screw bolt and nut | firefighting tools |
| 447,796 | Mar. 10, 1891 | T.L. Smith, P.W. Post | Carving-machine | carving machines |
| 447,805 | Mar. 10, 1891 | R. Yanda | Calipers | calipers |
| 447,812 | Mar. 10, 1891 | W.J. Edwards | Power-feed sawing-machine | tablesaws |
| 447,820 | Mar. 10, 1891 | G.A. Gray | Metal Planing Machine | metal planers |
| 447,825 | Mar. 10, 1891 | F. Higgins | Reversing Mechanism for Lathes | metal lathe accessories and attachments |
| 447,831 | Mar. 10, 1891 | M. Johnson | Rotary Engine | rotary steam engines |
| 447,857 | Mar. 10, 1891 | P.G. Williams | Galvanic apparatus for the human body | |
| 447,903 | Mar. 10, 1891 | P. Putnam | Sawing-machine | |
| 447,920 | Mar. 10, 1891 | N. Tesla | Method of operating arc lamps | electric arc lamps |
| 447,921 | Mar. 10, 1891 | N. Tesla | Alternating-electric-current generator | |
| 447,924 | Mar. 10, 1891 | J.A. Traut | Suspender Buckle | |
| 447,952 | Mar. 10, 1891 | T.D. Keith | Wrench | self-adjust wrenches |
| 447,953 | Mar. 10, 1891 | I.N. Kendall | Bandsaw mill | band sawmills |
| 447,955 | Mar. 10, 1891 | M.D. Knowlton | Box-jointing machine | box making machines |
