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| Patents Granted on 1983-11-22 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,416,338 | Nov. 22, 1983 | M.L. Foster, R.R. Zuzinec, J.W. Nelson | Control Mechanism for a Pneumatic Tool | ||
| 4,417,211 | Nov. 22, 1983 | G.S. Gibson, P.E. Ciriacka | Apparatus for Determining the Advance of a Timing Light | ||