| All Patents in class 144/91.2 |
Patents 1 -
10
of 22
      |
| Picture | Number | Date | Patentee | Title |
 | 6,370 | Apr. 17, 1849 | H. Knowles | Cutter for tonguing and grooving |
 | 12,134 | Jan. 02, 1855 | H. Knowles | Cutter for tonguing and grooving |
 | 19,806 | Mar. 30, 1858 | J.A. Woodbury | Rotary cutter for tonguing and grooving |
 | 205,296 | Jun. 25, 1878 | J.A. Peer | Adjusting cutters |
| | 448,254 | Mar. 17, 1891 | C.R. Penfield | Cutter head |
 | 492,675 | Feb. 28, 1893 | I. Hardee | Rotary stock-cutter |
| | 541,100 | Jun. 18, 1895 | J. Kuehnle | Coping head and bit |
| | 641,159 | Jan. 09, 1900 | J. Smith, F.M. Fox | Woodworking machine |
 | 820,892 | May 15, 1906 | G.S. Shimer, E.S. Shimer | Rotary cutter-head for tonguing |
 | 838,233 | Dec. 11, 1906 | R. Bauer | Power-hammer |
