Number | Name | Date | Kind |
---|---|---|---|
3339044 | Ruckriegel et al. | Aug 1967 | |
3489884 | Waseleski, Jr. | Jan 1970 | |
3530525 | Abel | Sep 1970 | |
3747500 | Redd | Jul 1973 | |
3943316 | Oster | Mar 1976 | |
3946346 | Oster et al. | Mar 1976 | |
4071836 | Cook et al. | Jan 1978 | |
4334148 | Kampe | Jun 1982 | |
4387290 | Yasuda | Jun 1983 | |
4410790 | Berg et al. | Oct 1983 | |
4442566 | Sharp | Apr 1984 | |
4469044 | Bloom et al. | Sep 1984 | |
4497083 | Nielsen, Jr. et al. | Feb 1985 | |
4528715 | Zrimsek | Jul 1985 | |
4529868 | Bowen et al. | Jul 1985 | |
4543474 | Horsma et al. | Sep 1985 | |
4603451 | VanSickle | Aug 1986 | |
4629869 | Bronnvall | Dec 1986 | |
4967437 | Morse | Nov 1990 | |
5050569 | Beunk et al. | Sep 1991 | |
5065471 | Laplante | Nov 1991 | |
5221828 | Basheer et al. | Jun 1993 |
Number | Date | Country |
---|---|---|
63-197777 | Mar 1988 | JPX |
Entry |
---|
"Self-Limiting Heaters for Automotive and Truck Exterior Mirrors" by Thermacon, Inc. |
"Polymeric PTC Devices for Protecting Electronic Circuits" by Thermacon, Inc. |
Article from The New York Times, Saturday, Jun. 2, 1990 entitled "Windshield Wipers Heated to Prevent Ice". |