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| Patents for Louis T. Weiss | |||||
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| Number | Date | Patentee | Title | Type | |
| 486,651 | Nov. 22, 1892 | L.T. Weiss | Speed Indicator | wheel-based measurers | |
| 505,582 | Sep. 26, 1893 | L.T. Weiss | Speed Measure | measurement gauges | |
| 780,314 | Jan. 17, 1905 | L.T. Weiss | Rack Cutting Apparatus | gear making machines | |
| 989,674 | Apr. 18, 1911 | L.T. Weiss | Tool Holder and Tool Post | lathe tool holders and tool posts | |