PATLY.AIApplication
13440002 · SAFETY DEVICE FOR ELEVATOR AND ROPE SLIP DETECTION METHOD
Filed 2012-04-05 · Granted · Patent 8336677 (2012-12-25) The official file ↗The patent and its PDF ↗ · Art unit 2837 · Examiner Anthony J Salata Easy · CPC B66B 5/00 · OBLON, MCCLELLAND, MAIER & NEUSTADT, L.L.P.
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