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| Patents Granted on 1971-05-25 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,580,135 | May 25, 1971 | G.H. Jones | Clamping Apparatus for a Machine Tool | metalworking machine mechanisms | |
| 3,580,593 | May 25, 1971 | L.H. Sprunger | Antisway suspension system for an axled vehicle | ||
| 3,580,834 | May 25, 1971 | R.K. Sedgwick | Apparatus for Machining Metals Electrochemically | electrochemical machining | |