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| Patents Granted on 1986-07-15 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,599,786 | Jul. 15, 1986 | H.R. Uhtenwoldt | Grinding Machine With Apparatus for Changing Grinding Wheel Tools and Workpieces | grinding machines | |
| 4,600,070 | Jul. 15, 1986 | G.H. Thurner | Modular tiller hitch for a lawn and garden tractor | ||
| 4,600,184 | Jul. 15, 1986 | S.W. Ashworth | Tool fence | ||