| Patents Granted on 1931-03-10 |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 1,795,310 | Mar. 10, 1931 | W.E. Mathews | Compressor Unloader | air compressors |
| 1,795,313 | Mar. 10, 1931 | J.D. Nies | Electric-motor support | electric motors |
| 1,795,358 | Mar. 10, 1931 | W.E. Arndt | Tool for spinning angular flanges on metal tubes | pipe and tube expanders |
| 1,795,625 | Mar. 10, 1931 | L.M. Van Slyke | Tie Wire Tightening and Twisting Device | |
| 1,795,667 | Mar. 10, 1931 | S.J. Morgan | Swinging-door operator | |
| 1,795,919 | Mar. 10, 1931 | W. Wolff, E. Wolff | Portable power hack saw | metal sawing machines |
| 1,796,054 | Mar. 10, 1931 | C.I. Shawver | Woodworking machine | molders |
| 1,796,083 | Mar. 10, 1931 | A.E. Carlberg | Wrench | socket wrenches |
| 1,796,186 | Mar. 10, 1931 | P.H. Young, L.E. Blood | Chip breaker | wood planers |
| 1,796,227 | Mar. 10, 1931 | K.E. Velling | Clapboard and Trim Marker | clapboard markers |
