Number | Name | Date | Kind |
---|---|---|---|
1414320 | Zucs et al. | Apr 1922 | |
1951121 | Babcock | Mar 1934 | |
2813695 | Stogner | Nov 1957 | |
2911187 | Owsley | Nov 1959 | |
2954961 | Stogner et al. | Oct 1960 | |
3133722 | McGuire et al. | May 1964 | |
3346002 | Thompson, Jr. et al. | Oct 1967 | |
3430919 | Frazier | Mar 1969 | |
3479006 | Brown | Nov 1969 | |
4432387 | Sims | Feb 1984 | |
4471965 | Jennings et al. | Sep 1984 | |
4741509 | Bunch et al. | May 1988 | |
4796858 | Kabel | Jan 1989 |
Entry |
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FMC Corporation advertisement entitled "a breakthrough seal technology:". |
Publication dated Autumn 1984, from Taking the Lead, entitled "FMC research teams answer the fire-resistant challenge with a surprisingly simple--and versatile--design". |
FMC Marketing Bulletin No. 1003 dated Jan., 1985. |
Undated publication entitled "FMC New Generation Metal Seal Pipe Connector". |