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Patents Granted on 1975-03-18 | |||||
Number | Date | Patentee | Title | Type | |
3,871,721 | Mar. 18, 1975 | W.R. Siebert | Pre Loaded Hydrostatic Way Bearing | metalworking machine mechanisms | |
3,871,795 | Mar. 18, 1975 | R.T. Habdo, W.P. Burger | Fan construction |