| Patents for H. G. Underwood |
Patents 1 -
10
of 19
      |
| Picture | Number | Date | Patentee | Title |
 | 273,304 | Mar. 06, 1883 | J.L. Perry | Abrading cutter-head |
 | 285,666 | Sep. 25, 1883 | J.L. Perry | Abrading-cylinder |
 | 297,838 | Apr. 29, 1884 | F.E. Parsons | Combined Household Implement |
| | 302,121 | Jul. 15, 1884 | J.A. Frenzel | Shingle-edging machine |
 | 304,601 | Sep. 02, 1884 | F.W. Boettcher | Combined Square, Level and Triangle |
 | 313,540 | Mar. 10, 1885 | R.S. Sheldon | Bench Plane |
 | 349,390 | Sep. 21, 1886 | R. Wilcox, G.A. Gilbert | Conveyor for grain, etc. |
| | 361,068 | Apr. 12, 1887 | E.T. Lemm | Feed mechanism for saw-mill carriages |
 | 392,841 | Nov. 13, 1888 | E. Beard | Device for canting logs and operating saw-mill dogs |
 | 430,398 | Jun. 17, 1890 | J.M. Nash | Machine for smoothing curved surfaces |
