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| Patents Granted on 1972-10-17 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,698,274 | Oct. 17, 1972 | D.C. Mohr, B.J. Miller, E.I. Coulon | Apparatus for Piercing Openings in Tubing | pipe and tube notchers | |
| 3,698,725 | Oct. 17, 1972 | S.E. Klabunde | Hydrostatic Seal for Rotary Machine Tool Spindles | metalworking machine mechanisms | |
| 3,699,473 | Oct. 17, 1972 | I.L. Paul | Dial indicators | ||