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Patent applications and USPTO patent grants for Trenconsky; Robert Paul.The latest application filed is for "variable diameter pneumatic tube brake".
Patent | Date |
---|---|
Variable diameter pneumatic tube brake Grant 8,382,401 - Castro , et al. February 26, 2 | 2013-02-26 |
Air valve pneumatic tube carrier system Grant 8,317,432 - Castro , et al. November 27, 2 | 2012-11-27 |
Variable Diameter Pneumatic Tube Brake App 20100221074 - Castro; Raymond Anthony ;   et al. | 2010-09-02 |
Air Valve Pneumatic Tube Carrier System App 20100111617 - CASTRO; RAYMOND ANTHONY ;   et al. | 2010-05-06 |
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