| All Patents in class 144/91.2 | 
| Patents 1 - 
					15
					of 22 
       | 
| Number | Date | Patentee | Title | Type | 
| 6,370 | Apr. 17, 1849 | H. Knowles | Cutter for tonguing and grooving | cutters | 
| 12,134 | Jan. 02, 1855 | H. Knowles | Cutter for tonguing and grooving | cutters | 
| 19,806 | Mar. 30, 1858 | J.A. Woodbury | Rotary cutter for tonguing and grooving | cutters | 
| 205,296 | Jun. 25, 1878 | J.A. Peer | Adjusting cutters | cutterheads | 
| 448,254 | Mar. 17, 1891 | C.R. Penfield | Cutter head | cutterheads | 
| 492,675 | Feb. 28, 1893 | I. Hardee | Rotary stock-cutter |  | 
| 541,100 | Jun. 18, 1895 | J. Kuehnle | Coping head and bit | cutters | 
| 641,159 | Jan. 09, 1900 | J. Smith, F.M. Fox | Woodworking machine | wood planers | 
| 820,892 | May 15, 1906 | G.S. Shimer, E.S. Shimer | Rotary cutter-head for tonguing | cutterheads | 
| 838,233 | Dec. 11, 1906 | R. Bauer | Power-hammer | drop hammers | 
| 844,197 | Feb. 12, 1907 | E.S. Shimer | Rotary cutter-head | cutterheads | 
| 864,420 | Aug. 27, 1907 | E. Haber | Rotary cutterhead | cutterheads | 
| 937,962 | Oct. 26, 1909 | H.B. Ross | Cutter-head for grooving-machines | cutterheads | 
| 984,407 | Feb. 14, 1911 | J.F. Wolvin | Panel-raising machine | panel raising machines | 
| 987,391 | Mar. 21, 1911 | H.J. Mitchell | Matching planer-head | matchers |