Number | Name | Date | Kind |
---|---|---|---|
3570766 | Johnson | Mar 1971 | |
4320541 | Neenan | Mar 1982 | |
4508665 | Spinnett | Apr 1985 | |
5226601 | Hinojosa, Jr. et al. | Jul 1993 | |
5444879 | Holtsnider | Aug 1995 | |
5457825 | Holtsnider | Oct 1995 | |
5657496 | Corb et al. | Aug 1997 | |
5742953 | Loizeaux et al. | Apr 1998 |
Entry |
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"Poly Jet Internals", Waterway 1997 Product Catalog, p. 2. |
"The Wave" New Automatic Diverter Valve, Waterway Product Description Sheet. |