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Patents for Crosby Steam Gage & Valve Co.
Patents 1 - 15 of 77
First set of recordsNext set of recordsLast set of records
NumberTitleClassification(s)
145,726Improvement in pressure-gages73/737
186,718Improvement in steam-whistle116/141
295,093Pressure-gage-testing apparatus73/1.65
476,512Device for testing pressure-gauges73/1.68, 73/1.69
530,433Indicator for Steam Engines200/56R, 346/44, 346/5
549,700Steam-gage73/708, 73/737, 74/579R
603,391Pressure-recorder346/123, 346/72, 73/712, 73/715
631,370Safety Valve and Muffler137/536, 181/237, 251/127
641,302Illuminated Gage116/286, 362/23.01, 362/23.19
659,234Blow Off Valve251/266, 251/327
663,772Means for Attaching Wooden Handles to Metal Spindles.16/432
665,154Pressure Recorder346/123, 346/139C, 346/72, 73/712
689,528Support for Reducing Wheels346/5
689,529Recording Gage346/12, 346/140.1, 346/72
701,793Pressure Gage73/710, 73/732
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