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| All Patents in class 346/107.1 | |||||
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| Number | Title | Classification(s) | |||
| 575,202 | Steam Engine Indicator | 346/107.1, 346/4, 73/113.01 | |||
| 949,129 | Engine Indicating Apparatus | 123/198R, 346/107.1, 346/4 | |||
| 1,426,735 | Method and Apparatus for Recording Pressure | 340/870.16, 346/107.1, 346/4, 73/114.18 | |||
| 1,447,913 | Recording Indicator | 346/107.1, 346/4, 346/49, 73/114.18 | |||
| 1,490,223 | Indicator | 346/107.1, 346/4, 73/114.18 | |||
| 2,251,976 | Indicator for Internal Combustion Engines | 346/107.1, 346/4 | |||