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| Patents Granted on 1970-05-19 | |||||
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| Number | Date | Patentee | Title | Type | |
| D217,582 | May 19, 1970 | D.L. Dotson | Weld shaver | grinding machines | |
| 3,512,307 | May 19, 1970 | R.W. Taylor | Portable sanding machine improvements | handheld power sanders | |
| 3,512,761 | May 19, 1970 | J.F. O'Regan, B.A. Lundberg, W.J. Mussoni | Hydraulically-powered foam fire suppression system | ||
| 3,513,444 | May 19, 1970 | R. Zechlin, L.E. Miller, R.M. Henderson | Volume Determining System | electrical measuring apparatus | |