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| Patents Granted on 1971-11-02 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,616,714 | Nov. 02, 1971 | G.W. Gregory | Rack and Pinion Squeeze Action Wrench | auxiliary levers on wrenches | |
| 3,616,719 | Nov. 02, 1971 | R.B. Tassie | Notching sheet material | notching machines | |
| 3,617,541 | Nov. 02, 1971 | P. Pan | Biogrid Unit and Method | sewage treatment apparatus | |