Number | Name | Date | Kind |
---|---|---|---|
D166538 | Hughes et al. | Apr 1952 | |
D172499 | Greene | Jun 1954 | |
D180598 | Hughes, Jr. et al. | Jul 1957 | |
D210803 | Hill | Apr 1968 | |
D228468 | Wolfe | Sep 1973 | |
D249476 | Kolbow | Sep 1973 | |
D254052 | Wolfe | Jan 1980 | |
D255103 | Wolfe | May 1980 | |
D256335 | Pasquarette | Aug 1980 | |
D256336 | Odom et al. | Aug 1980 | |
D270815 | Odom | Oct 1983 | |
D271086 | Odom | Oct 1983 | |
D288785 | Levine | Mar 1987 | |
4264034 | Hyltin et al. | Apr 1981 | |
4374541 | Hoberman | Feb 1983 | |
4621336 | Brown | Nov 1986 |
Entry |
---|
Hardware Age, Quartz Thermostat, 1/1983, p. 57. |
The Honeywell Spectrum, Various Thermostats, 10/1986, throughout the brochure. |
Honeywell, Heat Pump Thermostats, cover, 6/1986. |