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| All Patents in class 116/137R | |||||
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| Number | Date | Patentee | Title | Type | |
| 44,006 | Aug. 30, 1864 | E.K. Lincoln, L.E. Lincoln | Improvement in Steam-Boiler Whistles | auxiliary wrenches | |
| 636,907 | Nov. 14, 1899 | F. Lane | Whistle Valve | whistles | |
| 1,066,079 | Jul. 01, 1913 | F. Casey | Signal for trains | ||
| 4,591,071 | May 27, 1986 | L.G. Johnson | Squirt gun | toys | |