| Patents Granted on 1880-05-__ |
Patents 1 -
15
of 59
      |
| Number | Date | Patentee | Title | Type |
| RE9,183 | May 04, 1880 | O.R. Chaplin | Combined Square and Bevel | bevel squares |
| 227,093 | May 04, 1880 | S.A. Reynolds, T.L. Chipman | Axle-Nut Wrench | axle nut wrenches |
| 227,110 | May 04, 1880 | J.K. Hutchins | Drag-saw | drag saws |
| 227,114 | May 04, 1880 | G.B. Kirkham | Chuck | chucks |
| 227,169 | May 04, 1880 | N.M. Lawrence, J.C. Wykoff, J.R. Whitaker | Hand sawing-machine | drag saws |
| 227,210 | May 04, 1880 | J.M. Black | Saw Vise | vises |
| 227,223 | May 04, 1880 | W.H. Doane, G.W. Passel, G.W. Bugbee | Variety wood-worker | jointers |
| 227,259 | May 04, 1880 | A. Jillson | Traction Engine | steam traction engines |
| 227,275 | May 04, 1880 | G. Lettenmyer | Carpenters' work-bench | workbenches |
| 227,287 | May 04, 1880 | J. Murley | Adjustable safeguard for circular saws | tablesaws |
| 227,297 | May 04, 1880 | C. Racine | Chuck for Turning Lathes | metal lathe chucks |
| 227,304 | May 04, 1880 | E.A. Robbins | Carriage-Wrench | axle nut wrenches |
| 227,316 | May 04, 1880 | H.D. Stover | Machine for cutting and conveying wood shavings | waste collection mechanisms |
| CA-11,221 | May 07, 1880 | E. Caswell | Improvements on hub borers | wheelwright |
| CA-11,233 | May 10, 1880 | B. Holly | Perfectionnements Aux Caloriferes | steam heating |
