| Patents Granted on 1888-03-20 |
Patents 1 -
15
of 20
      |
| Number | Date | Patentee | Title | Type |
| 379,559 | Mar. 20, 1888 | N.H. Brokaw | Machine for shaving the bark from logs | debarking machines |
| 379,566 | Mar. 20, 1888 | C.H. Douglas | Chain mortising machine | mortising machines |
| 379,592 | Mar. 20, 1888 | W.H. Moore | Machine for making excelsior | excelsior machines |
| 379,602 | Mar. 20, 1888 | J.J. Philbrick | Barrel-head-making machine | cooper |
| 379,627 | Mar. 20, 1888 | G.M. Allen | Wrench Applied to Jack-Screws | ratchet wrenches |
| 379,656 | Mar. 20, 1888 | W.F. Parish | Ratchet Mechanism for Saw Mill Set Works | sawmill set works |
| 379,657 | Mar. 20, 1888 | W.F. Parish | Gang-saw mill | sawmills |
| 379,658 | Mar. 20, 1888 | W.F. Parish | Gang-edger | circular ripsaws |
| 379,659 | Mar. 20, 1888 | W.F. Parish | Edger | circular ripsaws |
| 379,677 | Mar. 20, 1888 | J. Brandt | Combined Hatchet and Plane | axes |
| 379,690 | Mar. 20, 1888 | G. De Laval | Motor for Operating Centrifugal Separators | rotary steam engines |
| 379,719 | Mar. 20, 1888 | H.C. Palmer | Saw | insertable saw teeth |
| 379,733 | Mar. 20, 1888 | N. Seibert | Oil-feeder | steam engine valve gear |
| 379,773 | Mar. 20, 1888 | F.W. Ehlmann | Combination-Tool | combination tools |
| 379,778 | Mar. 20, 1888 | W.H. Golding | Machine for Mitering Printers' Rules | making rules |
