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"Everyone acquainted with the subject will recognize it as a conspicuous failure."
Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb
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| Number | Title | Issue Date |
| 4767292 | Electrical commutation apparatus A fluid motor having a gerotor gear set includes a first member having internal teeth and a second member having external teeth. The second member is rotatably and orbitally mounted within the first member. The teeth of the first and second members cooper... | 08/30/1988 |
| 4694791 | Starting device with air motor for internal combustion engines A starter for internal combustion engines comprising a driving shaft to be driven by the air motor, a main valve for controlling the flow of compressed air to the air motor, and an air piston to advance the driving shaft to a position for starting the eng... | 09/22/1987 |
| 4679533 | Pneumatic starter A pneumatic starter arrangement includes a pneumatic actuator having a piston supporting for axial displacement a starter pinion to engage or disengage a flywheel gear of an internal combustion engine. A pressure air source is connected to the actuator vi... | 07/14/1987 |
| 4359930 | Variable speed cylinder assembly pressure seals A variable speed multi-cylinder assembly is provided with expandable bushing seals to block leakage of fluid from higher speed stages to lower speed stages.... | 11/23/1982 |
