All Patents in class 451 |
Patents 2146 -
2160
of 3611
|
Number | Date | Patentee | Title | Type |
1,925,808 | Sep. 05, 1933 | W.A. Kelsey | Dental Tool Holder | dental tools |
1,926,603 | Sep. 12, 1933 | B.F. Stowell | Automatic feed for grinding machines | grinders |
1,927,007 | Sep. 12, 1933 | J.R. Whittles | Grinding machine | |
1,928,162 | Sep. 26, 1933 | H.H. Asbridge | Precision grinding or abrading machine | grinding machines |
1,928,353 | Sep. 26, 1933 | L.D. Goodspeed | Automatic variety lathe | wood lathes |
1,928,390 | Sep. 26, 1933 | H.L. Myers | Planetary type surfacing machine | sanding machines |
1,928,637 | Oct. 03, 1933 | R.A. Williams | Brake for woodworking machines | sanding machines |
1,932,319 | Oct. 24, 1933 | H.L. Myers | Surface grinding machine | |
1,932,952 | Oct. 31, 1933 | G.W. Binns | Grinding Machine | grinding machines |
1,932,969 | Oct. 31, 1933 | C.W. Hopkins, J.E. Caster | Grinding Machine | grinding machines |
1,932,993 | Oct. 31, 1933 | H.K. Tegarden | Grinding Machine | grinding machines |
1,934,814 | Nov. 14, 1933 | H.L. Myers | Light weight surfacing machine | |
1,935,633 | Nov. 21, 1933 | H.R. Isler | Grinding Machine | tool grinders |
1,936,992 | Nov. 28, 1933 | B.D. Pinkney | Sanding machine | sanding machines |
1,937,771 | Dec. 05, 1933 | C.L. Mattison | Abrading machine | sanding machines |