Patents Granted on 1930-11-25 |
Patents 1 -
15
of 15
|
Number | Date | Patentee | Title | Type |
1,782,456 | Nov. 25, 1930 | G.A. Biggs | Turbine Regulating Device | water wheel governors |
1,782,480 | Nov. 25, 1930 | E.R. Seward | Centerless Grinding Machine | grinding machines |
1,782,498 | Nov. 25, 1930 | G.A. Biggs | Link for Hydraulic Turbines | turbine water wheels |
1,782,573 | Nov. 25, 1930 | A.M. Johnson | Machine tool | multiple spindle drill presses |
1,782,669 | Nov. 25, 1930 | A. Turner | Grinding Machinery | grinding machines |
1,782,891 | Nov. 25, 1930 | R.J. Gits | Automobile Brake | vehicle brakes |
1,782,894 | Nov. 25, 1930 | W.B. Grueter | Gang edger | circular ripsaws |
1,782,927 | Nov. 25, 1930 | J.S. Knowlson | Electric power device | handheld power rotary tools |
1,782,928 | Nov. 25, 1930 | J.S. Knowlson | Humidifier | air conditioning apparatus |
1,782,981 | Nov. 25, 1930 | J.A. Anderson | Improvement in Screwdriver blades | screwdriver blades |
1,783,019 | Nov. 25, 1930 | A.M. Johnson | Honing machine | honing machines |
1,783,034 | Nov. 25, 1930 | C. Booth | Process of Producing Noncylindrical Articles | grinding machines |
1,783,041 | Nov. 25, 1930 | J.E. Hirst | Dual-arbor direct-drive tablesaw | tablesaws |
1,783,070 | Nov. 25, 1930 | F.R. Bergmann | Screw holding screwdriver | screwdriver blades |
1,783,121 | Nov. 25, 1930 | J.H. Hoern | Piston Ring Burr Removing Device | surface grinders |