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| All Patents in class 184/6.1 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 2,873,002 | Feb. 10, 1959 | E.L. Dahlund | Variable Delivery Lubricant Supply Means for Engines | ||
| 3,856,114 | Dec. 24, 1974 | F. Zankl | Automatic Lubrication System | ||
| 4,514,123 | Apr. 30, 1985 | E.E. Kirkham, R. Johnstone | Adaptive Control System for Machine Tool or the Like | ||
| 4,527,661 | Jul. 09, 1985 | E.E. Kirkham, R. Johnstone | Adaptive Control System for Machine Tool or the Like | ||