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All Patents in class 73/1.56
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,271,340Jan. 27, 1942I. JacobsonShutter and Flash Synchronizer for Camerascamera flash lighting apparatus
2,353,896Jul. 18, 1944J.A. SpraguePhotographic Synchronizer Testing Equipmqntcamera flash lighting apparatus
2,353,897Jul. 18, 1944J.A. SpragueSensitized Material Holder or Carrier for Photographic Synchronizer Testing Equipmentcamera flash lighting apparatus
5,610,327Mar. 11, 1997M.M. Crass, M.A. Hoferitza, T.P. BeckerKnock Sensor-Triggered Timing Light with Visible Laser Retro-Reflecting Control
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