Number | Name | Date | Kind |
---|---|---|---|
1462281 | Haanel | Jul 1923 | |
2922582 | Przystawik | Jan 1960 | |
3101173 | Jennings | Aug 1963 | |
3304007 | Hruby, Jr. | Feb 1967 | |
3542292 | Chase | Nov 1970 | |
3801010 | Hruby, Jr. | Apr 1974 | |
3941154 | Bishop | Mar 1976 | |
4269352 | Przystawik | May 1981 | |
4819874 | Geiger | Apr 1989 | |
4948046 | Przystawik | Aug 1990 |
Entry |
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Air-O-Lator Corp. drawings for centrifugal pump unit on sale more than one year prior to the filing date of the present application. |
Air-O-Lator Corp. brochure for Font'N-Aire.RTM. Floating Fountains showing a fountain with centrifigul pump on sale more than one year prior to the filing date of the present application. |