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| Patents Granted on 1988-01-12 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,718,127 | Jan. 12, 1988 | S.R. Wente, R.S. Stever, N.C. Rittmann | Helmet Visor with Locking Hinge Assemble | ||
| 4,718,172 | Jan. 12, 1988 | A.J. Partington, M.J. Rouse | Turbine Blade Radial Position Gage | special purpose gauges | |