| Patents Granted on 1868-04-__ |
Patents 1 -
15
of 90
      |
| Number | Date | Patentee | Title | Type |
| XC-2,558 | Apr. 06, 1868 | T.D. Finnigan | Rotary steam engine, called "The Improved Rotary Steam Engine" | rotary steam engines |
| GB-186,801,163 | Apr. 06, 1868 | J. Casson | Improvements in machinery for planing wood | wood planers |
| 76,301 | Apr. 07, 1868 | E. Carrington, E.O. Carrington | Improvement in Machine for Grinding and Cutting Down Augers | making drills and augers |
| 76,328 | Apr. 07, 1868 | W.H. Birch, J.B. Johnson | Improvement in friction-clutch | hoists, winches, come-alongs |
| 76,349 | Apr. 07, 1868 | E. Robbins | Improvement in scrollsaw mills | scrollsaws |
| 76,362 | Apr. 07, 1868 | L.A. Warner | Coffee Roaster | coffee roasters |
| 76,363 | Apr. 07, 1868 | W.J. Watson | Lathe Tool | metal lathe accessories and attachments |
| 76,384 | Apr. 07, 1868 | D.B. Bartholomew | Improvement in sawmills | sawmill feed works |
| 76,395 | Apr. 07, 1868 | I.S. Brown, C.N. Brown | Improvement in saws | insertable saw teeth |
| 76,409 | Apr. 07, 1868 | S. Darling | Improvement in inkstands | draftsman |
| 76,410 | Apr. 07, 1868 | S. Darling | Vise Handle Holder | bench vises |
| 76,432 | Apr. 07, 1868 | C. French | Improvement in bending-mandrel | wood bending machines |
| 76,464 | Apr. 07, 1868 | L.H. Johnson | Corn Husker | corn huskers |
| 76,467 | Apr. 07, 1868 | J.T. Kendall | Improvement in machines for boring wagon-hubs | drilling and boring |
| 76,469 | Apr. 07, 1868 | S.M. King | Improvement in sawing machines | drag saws |
