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Emergency lighting system |
Allen George Cyr |
2023-08-29 |
| 11277021 |
LED-based emergency lighting equipment and methodology |
Lei Han |
2022-03-15 |
| 11160149 |
Programmable emergency lighting device including near-field communication |
Lei Han |
2021-10-26 |
| 10904983 |
Emergency lighting system |
Allen George Cyr |
2021-01-26 |
| 10794555 |
LED-based emergency lighting equipment and methodology |
Lei Han |
2020-10-06 |
| 10746389 |
Wall pack luminaire and thermal insert for luminaires |
Anthony Brunelli, Allen George Cyr |
2020-08-18 |
| 10624177 |
Programmable emergency lighting device including near-field communication |
Lei Han |
2020-04-14 |
| 10306735 |
Emergency lighting system |
Allen George Cyr |
2019-05-28 |
| 9883568 |
Programmable emergency lighting device including near-field communication |
Lei Han |
2018-01-30 |
| 9711996 |
Emergency system with brown-out detection |
Lei Han |
2017-07-18 |
| 9667096 |
LED-based emergency lighting equipment and methodology |
Lei Han |
2017-05-30 |
| 8077028 |
System and apparatus with self-diagnostic and emergency alert voice capabilities |
Victor Eugene Sanhdage |
2011-12-13 |
| 7863832 |
Equipment and methods for emergency lighting that provides brownout detection and protection |
Don Zulim |
2011-01-04 |
| 7501768 |
Equipment and methods for emergency lighting that provides brownout detection and protection |
Don Zulim |
2009-03-10 |
| 7256556 |
Equipment and methods for emergency lighting that provides brownout detection and protection |
Don Zulim |
2007-08-14 |
| 7220014 |
Quick mounting system for emergency lighting device |
James Michael Lay, Richard Marvin Born, Paul Kenneth Pickard |
2007-05-22 |
| 6502044 |
Self-diagnostic circuitry for emergency lighting fixtures |
Richard C. Farthing |
2002-12-31 |
| 4278965 |
Photo-optical keyboard having n-key rollover |
Edward I. Nelson, Harry B. Mueller |
1981-07-14 |