Number | Name | Date | Kind |
---|---|---|---|
RE20704 | Pieper | Apr 1938 | |
1956409 | Benander | Apr 1934 | |
2143960 | Stalter et al. | Jan 1939 | |
2159163 | Jolliffe | May 1939 | |
2185741 | Sorg et al. | Jan 1940 | |
2578280 | Barnard | Dec 1951 | |
2748804 | Guarnaschelli | Jun 1956 | |
3109461 | Wolff et al. | Nov 1963 | |
3186438 | Holmgren | Jun 1965 | |
3330303 | Fochler | Jul 1967 | |
3336950 | Fochler | Aug 1967 | |
3559692 | Mantelet | Feb 1971 | |
3572393 | Eisert | Mar 1971 | |
3593751 | Herling et al. | Jul 1971 | |
3716733 | Keith et al. | Dec 1973 | |
4245759 | Baker et al. | Jan 1981 | |
4323174 | Wood | Apr 1982 | |
4455474 | Jameson et al. | Jun 1984 |
Number | Date | Country |
---|---|---|
2142068 | Mar 1973 | DEX |
Entry |
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"Kellums Poly Tuff Non-Metallic Tubing Systems", Brochure PT 6-1-84, Kellums Div., Harvey Hubbell Inc., Stonington, Conn. 06378. |
"Corrtube, Corrugated Plastic Tubing", Brochure CT-7-84, OEM Corporation, Aurora, Ohio 44202. |