| Patents Granted on 1951-04-17 |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| D163,002 | Apr. 17, 1951 | C. Volkheimer | Adjustable Ratchet Wrench | ratchet wrenches |
| 2,548,866 | Apr. 17, 1951 | F.Y. Carter | Thermostatic Expansion Valve | refrigeration apparatus |
| 2,548,877 | Apr. 17, 1951 | E.J. Dillman | Automatically Operable Snap Acting Switch | pressure controlled switches |
| 2,548,878 | Apr. 17, 1951 | E.J. Dillman | Thermostatic Valve Having Sealing Diaphragm and Supporting Means Therefor | temperature controls |
| 2,549,096 | Apr. 17, 1951 | L. Jacobi | Indicator for gearshift mechanisms | |
| 2,549,120 | Apr. 17, 1951 | A.E. Ormsby | Crane | jib cranes |
| 2,549,147 | Apr. 17, 1951 | B.G. Walters | Portable knife grinder for woodworking machines | sharpening machines |
| 2,549,190 | Apr. 17, 1951 | F.W. Gilchrist | Weighing Scale Indicator | |
| 2,549,265 | Apr. 17, 1951 | J.l. Trant | Reversible split-phase motor | repulsion start induction run motors |
| 2,549,384 | Apr. 17, 1951 | M.J. Radecki, J.A. Krolikowski | Band saw machine | metal sawing machines |
| 2,549,490 | Apr. 17, 1951 | G.H. Kuhl | Multiple spindle drill gearing | multiple spindle drill presses |
| 2,549,670 | Apr. 17, 1951 | R.L. Dalton | Camera Back | camera accessories |
