| Patents Granted on 1881-03-?? |
Patents 1 -
15
of 60
      |
| Number | Date | Patentee | Title | Type |
| 238,220 | Mar. 01, 1881 | E.T. Davies | Lumber-sorter | sawmill accessories |
| 238,254 | Mar. 01, 1881 | W. Sellers | Mechanism for Operating the Slide Rests of Lathes | metal lathes |
| 238,279 | Mar. 01, 1881 | M.P. Ellison | Machine for tenoning and boring spokes and fellies | wheelwright |
| 238,292 | Mar. 01, 1881 | N. Jenkins | Machine for dressing or shaping wood, stone, &c. | stone dressing machines |
| 238,299 | Mar. 01, 1881 | S.G. Mason | Wagon-axle | wagon and cart wheels, axles and hubs |
| 238,343 | Mar. 01, 1881 | E.M. Butler, W.H. Campbell | Combination Wrench | wrench combination tools |
| 238,366 | Mar. 01, 1881 | W.H. Doane | Grinding machine | sharpening machines |
| 238,369 | Mar. 01, 1881 | B. Donohue | Wrench | pipe wrenches |
| 238,467 | Mar. 01, 1881 | F.L. Wilson | Hoop-cutting machine | hoop making machines |
| 238,521 | Mar. 08, 1881 | E. Osgood | Saw | saw teeth |
| 238,535 | Mar. 08, 1881 | M.W. Shapley | Machine for flanging circular plates | boilermaker |
| 238,549 | Mar. 08, 1881 | L.J. Baker | Machine for Grinding Knives, &c. | sharpening machines |
| 238,565 | Mar. 08, 1881 | T.W. Brown | Egg-beater | egg and cream beaters |
| 238,603 | Mar. 08, 1881 | E. Medden | Rotary engine | rotary steam engines |
| 238,631 | Mar. 08, 1881 | C.E. Ball | Dynamo or Magneto-Electric Machine | electric generators |
