All Patents in class 451 |
Patents 2131 -
2145
of 3618
|
Number | Date | Patentee | Title | Type |
1,918,743 | Jul. 18, 1933 | F.H. Etzenhouser, F.P. Tandy, R.C. Murphy | Valve Grinder | valve grinding tools |
1,918,951 | Jul. 18, 1933 | C.J. Anderson | Grinding machine | sharpening machines |
1,918,952 | Jul. 18, 1933 | W. Krause, A.B. Bachmann | Flexible Shaft Bench Grinder | grinders |
1,919,143 | Jul. 18, 1933 | G.W. Binns | Grinding Machine | grinding machines |
1,919,144 | Jul. 18, 1933 | C. Booth | Grinding Machine | grinding machines |
1,919,389 | Jul. 25, 1933 | H.L. Myers | Planetary type surfacing machine | sanding machines |
1,920,073 | Jul. 25, 1933 | G. Gorton | Grinding Machine and the Like | tool grinders |
1,920,290 | Aug. 01, 1933 | W.L. Bryant | Grinding machine or the like | grinders |
1,921,513 | Aug. 08, 1933 | A.N. Emmons | Floor finishing machine | sanding machines |
1,921,715 | Aug. 08, 1933 | W.M. Whitney, A. White | Wood shaper | wood shapers |
1,921,995 | Aug. 08, 1933 | P.A. Solem | Drum-type sander | sanding machines |
1,922,246 | Aug. 15, 1933 | A.M. Johnson | Machine tool | honing machines |
1,922,905 | Aug. 15, 1933 | R.A. Williams | Sander drum | sanding machines |
1,923,760 | Aug. 22, 1933 | J.A. Smith | Grinding machine | bench or pedestal grinders |
1,924,588 | Aug. 29, 1933 | T. Addison | Grinding Machine | grinding machines |