Patent Grant
D395318
| Number | Name | Date | Kind |
|---|---|---|---|
| D253652 | Maryanski | Dec 1979 | |
| D294359 | Tsai | Feb 1988 | |
| D306449 | Shannon | Mar 1990 | |
| D338018 | Willinger et al. | Aug 1993 | |
| 3671151 | Duke et al. | Jun 1972 | |
| 3865729 | Baensch | Feb 1975 | |
| 3969043 | Bright et al. | Jul 1976 | |
| 4145389 | Seroussi | Mar 1979 | |
| 4283645 | Hofmann | Aug 1981 | |
| 4615802 | Harbaugh | Oct 1986 | |
| 5131821 | Marioni et al. | Jul 1992 | |
| 5474674 | Bresolin et al. | Dec 1995 | |
| 5603831 | Hickok | Feb 1997 |
| Number | Date | Country |
|---|---|---|
| 93972 | Jun 1983 | JPX |
| Entry |
|---|
| Sternco Products Catalog; p. 34; #3675--Air Pump for Aquariums; Jul. 1971. |
| Aquarium Stock CVo. Tropical Fish Handbook/catalog; p. 57; WISA Air/Water pumps; Jun. 1965. |
| Sternco Products Catalog; p. 35; #4329--Virbator Air Pump; Jul. 1971. |
