| Patents Granted on 1881-03-08 |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 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 |
| 238,603 | 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 |
| 238,648 | Mar. 08, 1881 | A.W. Clark | Saw-Gummer | saw sharpening tools |
| 238,684 | Mar. 08, 1881 | S.S. Hazeland | Wood-planing machine | wood planers |
| 238,688 | Mar. 08, 1881 | E. Holmes, B. Holmes | Apparatus for steaming staves | barrel making machines |
| 238,702 | Mar. 08, 1881 | P. Medart | Belt Pulley | industrial machine pulleys and belt drive mechanisms |
| 238,739 | Mar. 08, 1881 | E.M. Wilbor | Sheet Metal Cutter | metal shearing machines |
| 238,743 | Mar. 08, 1881 | S. Wright | Barrel-forming machine | barrel making machines |
