Number | Name | Date | Kind |
---|---|---|---|
2644475 | Morton | Jul 1953 | |
2828762 | Swank | Apr 1958 | |
3092962 | Wood | Jun 1963 | |
3374014 | Kull et al. | Mar 1968 | |
3820829 | Hasselbacher et al. | Jun 1974 | |
4038789 | Axgarde et al. | Aug 1977 | |
4278115 | Briles et al. | Jul 1981 | |
4457349 | Vazin | Jul 1984 | |
4475845 | Odill et al. | Oct 1984 | |
4501305 | Zola et al. | Feb 1985 | |
4520852 | Klein | Jun 1985 |
Entry |
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Catalog 20 of OPW Division of Dover Corporation Bearing a Copyright Notice having the date 1965. |