Number | Name | Date | Kind |
---|---|---|---|
2399812 | Ledin | May 1946 | |
2468644 | Springer | Apr 1949 | |
2803956 | Womer | Aug 1957 | |
2839912 | Corbin et al. | Jun 1958 | |
2911247 | Corbin | Nov 1959 | |
3003348 | Jacobi | Oct 1961 | |
3860276 | Lambrecht | Jan 1975 | |
3964280 | Kelton | Jun 1976 | |
4268073 | Hibbert | May 1981 | |
4630852 | White et al. | Dec 1986 |
Entry |
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Knaack Manufacturing Co. product sheet, "Weather Guard Hi-Box Latch System," 1982. |
Knaack Manufacturing Co. catalog, "Weather Guard," pp. 1-5 and 12, 1982. |