Matches 601 - 623 out of 623 < 1 2 3 4 5 6 7 8 9 10 11 12 13
Match Document Document Title
2917668 Photographic flash apparatus  
2906924 High-frequency spark device  
2901671 Controlled flash lamp power supply  
2894174 Electrical photoflash device  
2893289 Microscope flash-photography system and apparatus  
2887592 Control circuit for flasher lights and the like  
2881685 Flashlight attachments for cameras  
2881490 Forming an aluminum casting with a bronze insert  
2877341 Liquid cooled flash-producing apparatus  
2877385 Electric system  
2873408 Light flash producing system  
2873409 Portable high voltage power supply  
2872622 Underwater flash producing system  
2868958 Photographic flash apparatus  
2861221 Off-frequency synchronized stroboscope  
2856564 Barium titanate crystals as a portable source of electric power  
2856562 Photographic flash unit  
2844081 Electrical flashlight device with condenser ignition  
2832206 Device for operating vacuum flash bulbs  
2825002 Light pulse producing apparatus  
2816251 Photo-flash lamp switching system  
2795738 Short duration, high intensity spark gap arrangement  
2793323 High speed light source  
Matches 601 - 623 out of 623 < 1 2 3 4 5 6 7 8 9 10 11 12 13