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| Patents for Raymond J. Traupmann | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,824,381 | Feb. 25, 1958 | R.J. Traupmann | Pre-Indicator of Pipe Positions and Bends | pipe and tube benders | |
| 2,867,261 | Jan. 06, 1959 | R.J. Traupmann | Pipe Bender with Bend Indicator Means | pipe and tube benders | |