| Patents Granted on 1950-03-?? |
Patents 1 -
15
of 42
      |
| Number | Date | Patentee | Title | Type |
| 2,499,390 | Mar. 07, 1950 | H.M. Joy | Rotor for alternating current | electric motor making |
| 2,499,408 | Mar. 07, 1950 | W. Nipken | Work holder | work holding |
| 2,499,456 | Mar. 07, 1950 | A.A. Browne | Bearing Sleeve for Pump Shafts | centrifugal pumps |
| 2,499,529 | Mar. 07, 1950 | M.J. Schlitters | Cutoff and Form Toolholder | lathe tool holders and tool posts |
| 2,499,609 | Mar. 07, 1950 | J.A. Riordan | Quick-Acting Wrench | quick adjust wrenches |
| 2,499,691 | Mar. 07, 1950 | J.A. Sprague | Selectively-Active Infinity Stop for Cameras | camera accessories |
| 2,499,842 | Mar. 07, 1950 | J.B. Armitage | Milling Machine | milling machines |
| 2,499,968 | Mar. 07, 1950 | E.M. Pfauser | Pneumatic-Hydraulic Pressure Converter | |
| CA-463,713 | Mar. 14, 1950 | K.R. Larson | Torque wrench | torque wrenches |
| 2,500,150 | Mar. 14, 1950 | E.P. Bullard, L.J. Baudis, C.M. Grinage | Positining Apparatus | |
| 2,500,248 | Mar. 14, 1950 | . | Attachment for Saw Blades | |
| 2,500,261 | Mar. 14, 1950 | R.L. Parker | Quick Opening Pliers | pliers type wrenches |
| 2,500,387 | Mar. 14, 1950 | H.M. Sheridan | Tool Bit and Holder Therefor | metal planer tools |
| 2,500,562 | Mar. 14, 1950 | L. Oliver | Centrifugally Operated Mechanism | metalworking machine mechanisms |
| 2,500,796 | Mar. 14, 1950 | E.P. Bullard | Positioning Apparatus | |
