| Patents for Diehl Mfg. Co. |
Patents 61 -
71
of 71
      |
| Number | Date | Patentee | Title | Type |
| 1,911,574 | May 30, 1933 | J.D. Karle | Commutator Slotting Machine | commutator slotting machines |
| 1,929,092 | Oct. 03, 1933 | J.M. Naul, F. Diehl | Two-speed phonograph driving device | |
| 1,934,060 | Nov. 07, 1933 | J. Hanning | Fan motor | |
| 1,947,423 | Feb. 13, 1934 | J.M. Naul | Phonograph motor | |
| 1,956,041 | Apr. 24, 1934 | J.M. Naul | Radio-tuner motor | electric motors |
| D115,575 | Jul. 04, 1939 | J.R. Morgan | Design for a motor casing | electric motors |
| 3,021,723 | Feb. 20, 1962 | R. Happe | Spindle locking means for portable tools | handheld power drills |
| 3,029,568 | Apr. 17, 1962 | J.P. Lubas | Belt tension and tracking adjustment device for portable belt sanders | handheld power sanders |
| 3,034,275 | May 15, 1962 | R. Happe, L.F. Daman | Combination unit grass edger and trimmer | |
| 3,072,768 | Jan. 08, 1963 | R. Happe, J.P. Yelpo | Built-in switch for insulated portable electric tools | handheld power tools |
| 3,085,169 | Apr. 09, 1963 | G.J. Abel | Speed-setting indicators for portable electric tools | handheld power drills |
