Number | Name | Date | Kind |
---|---|---|---|
3678487 | Ludewig, Jr. et al. | Jul 1972 | |
3777571 | Jaeger | Dec 1973 | |
3960500 | Ross et al. | Jun 1976 | |
4051753 | Bohl et al. | Oct 1977 | |
4090392 | Smith et al. | May 1978 | |
4194191 | Salem | Mar 1980 | |
4254414 | Street et al. | Mar 1981 | |
4293217 | Bird, Jr. et al. | Oct 1981 | |
4532814 | Lalin | Aug 1985 | |
4608556 | Cole | Aug 1986 | |
4764758 | Skala | Aug 1988 |
Number | Date | Country |
---|---|---|
0290412 | Nov 1988 | EPX |
2846310 | Apr 1980 | DEX |
Entry |
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Installation Manual for Early Warning Smoke Detection Apparatus (VESDS) by Fenwal Incorporated of Ashland. |
Thesis of Co-Inventor, K. Notarianni, dated Aug. 1988, Describing the Various Aspects of the Invention. |