Number | Name | Date | Kind |
---|---|---|---|
2632479 | Pfeil et al. | Mar 1953 | |
2873765 | Gregory | Feb 1959 | |
3065767 | Topf | Nov 1962 | |
3160175 | Laemmle | Dec 1964 | |
3174588 | Kessler | Mar 1965 | |
3847183 | Meyer | Nov 1974 | |
4027855 | Lauzier | Jun 1977 | |
4202378 | Bush et al. | May 1980 | |
4220316 | Naka et al. | Sep 1980 | |
5200240 | Baker | Apr 1993 |
Entry |
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Reo Sok protective cap circular, REO SOK, Patent Pending PJ 9427, Australia, No Date. |
Econ-O-Guard Protection Cap spec sheet, DesLauriers, Inc., May 1, 1993. |