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| Patents for Rockford Machine Tool Co. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 2,167,890 | Aug. 01, 1939 | P.S. Jackson | Hydraulic Machine Tool | |
| 2,924,239 | Feb. 09, 1960 | S.A. Bjorklund | Servo Valve Having Helically Arranged Metering Parts | ||
| 2,931,684 | Apr. 05, 1960 | E.W. Johnson | Machine Tool Ways | ||
| 2,967,444 | Jan. 10, 1961 | R.S. Litterst, E.E. Hallberg | Thread Rolling Machines | ||
| 3,152,514 | Oct. 13, 1964 | P.E. Olson | Tool Lifter for Planer or the Like | ||