Inventor
HELAL MOHAMMED A
AU5 patents
Patents
5 patentsUS5154504AOct 13, 1992
Communications and testing for emergency systems
MINITRONICS PTY LTD93 citations94
US4977353ADec 11, 1990
Communication system for single point emergency lighting
MINITRONICS PTY LTD36 citations90
US4237385ADec 2, 1980
Control of power supply
MINITRONICS PTY LTD43 citations87
US5192897AMar 9, 1993
Electronic high frequency controlled device for operating gas discharge lamps
MINITRONICS PTY LTD31 citations85
US4246529AJan 20, 1981
Current integrating battery charger
MINITRONICS PTY LTD24 citations77