Number | Name | Date | Kind |
---|---|---|---|
274447 | Kennish | Mar 1983 | |
2755060 | Twyman | Jul 1956 | |
3245428 | Klimak | Apr 1966 | |
3675891 | Reynolds et al. | Jul 1972 | |
3965925 | Gooch | Jun 1976 | |
4337770 | Young et al. | Jul 1982 | |
4341239 | Atkinson | Jul 1982 | |
4429852 | Tersteegen | Feb 1984 | |
4434810 | Atkinson | Mar 1984 |
Entry |
---|
Vernay Duckbill Check Valves Brochure, .COPYRGT.1992, Vernay Laboratories, Inc. 4 pages. |