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| D308646 | Grilk | Jun 1990 | S |
| D346981 | Ratzlaff | May 1994 | S |
| D350300 | Browning et al. | Sep 1994 | S |
| D369566 | Poon | May 1996 | S |
| 5565852 | Peltier et al. | Oct 1996 | A |
| 5646598 | Nickles et al. | Jul 1997 | A |
| D390797 | Yao et al. | Feb 1998 | S |
| D396820 | Wallace | Aug 1998 | S |
| D422521 | Morrow | Apr 2000 | S |
| 6160487 | DeLuca | Dec 2000 | A |
| D450008 | Sakurai et al. | Nov 2001 | S |
| 6339379 | Argus et al. | Jan 2002 | B1 |
| Number | Date | Country |
|---|---|---|
| WO 0137231 | May 2001 | WO |
| Entry |
|---|
| Safety Products Unlimited, Kidde Nighthawk Premium Plus Carbon Monoxide Alarm web page printout dated Apr. 26, 2002. |
| Busch, Mike “AVWeb Product Review: Carbon Monoxide Detectors for Aircraft Use,” web page printout using www.aeromedix.com, dated Jan. 9, 2002, pp. 1-16. |