Inventor · disambiguated record
Mohammed A. Helal
Also filed as: HELAL MOHAMMED A
5 granted patents·227 citations·filing 1978–1992
85Inventor score
Files withMINITRONICS PTY LTD5
Top patents by PatentIndex Score
5 records- 0183US5154504ACommunications and testing for emergency systemsMINITRONICS PTY LTD·Filed 1990·Granted Oct 13, 1992·93 cites·14 claims
- 0278US4237385AControl of power supplyMINITRONICS PTY LTD·Filed 1978·Granted Dec 2, 1980·43 cites·4 claims
- 0370US4977353ACommunication system for single point emergency lightingMINITRONICS PTY LTD·Filed 1989·Granted Dec 11, 1990·36 cites·5 claims
- 0462US5192897AElectronic high frequency controlled device for operating gas discharge lampsMINITRONICS PTY LTD·Filed 1992·Granted Mar 9, 1993·31 cites·6 claims
- 0560US4246529ACurrent integrating battery chargerMINITRONICS PTY LTD·Filed 1978·Granted Jan 20, 1981·24 cites·8 claims
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