Assignee
RIXSON FIREMARK
7 granted patents·205 citations·filing 1974–1989
Top patents by PatentIndex Score
7 records- 0189US4161804AHeat-actuated door latchRIXSON FIREMARK·Filed 1977·Granted Jul 24, 1979·69 cites·6 claims
- 0281US4915431AElectromagnetic lock having a self-adjusting switch assembly for door-movement alertRIXSON FIREMARK·Filed 1989·Granted Apr 10, 1990·46 cites·13 claims
- 0370US4069544AElectrically actuated door holder and releaseRIXSON FIREMARK·Filed 1977·Granted Jan 24, 1978·26 cites·9 claims
- 0469US5005881ADoor locking mechanismRIXSON FIREMARK·Filed 1989·Granted Apr 9, 1991·30 cites·14 claims
- 0562US4072917ASwitch actuating hingeRIXSON FIREMARK·Filed 1976·Granted Feb 7, 1978·13 cites·6 claims
- 0661US3968379APhotocell smoke detectorRIXSON FIREMARK·Filed 1974·Granted Jul 6, 1976·14 cites·5 claims
- 0744US3982237ACombination door chime and particulate products of combustion detectorRIXSON FIREMARK·Filed 1975·Granted Sep 21, 1976·7 cites·9 claims
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