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All Patents in class 248/231.41 | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 457,781 | Aug. 18, 1891 | E.E. Josef | Pillow Sham Holder | |
2,824,381 | Feb. 25, 1958 | R.J. Traupmann | Pre-Indicator of Pipe Positions and Bends |