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The ornamental design for filter for aquariums, as shown and described. |
FIG. 1 is a top perspective view of a filter for aquariums showing our new design;
FIG. 2 is a side elevational view thereof, all sides being identical, on a reduced scale;
FIG. 3 is a top plan view thereof, on a reduced scale; and,
FIG. 4 is a bottom plan view thereof, on a reduced scale.
Hudson, Thomas G., Lougee, David C., Giovanetti, Thomas A.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jul 11 1990 | Oceanic Systems, Inc. | (assignment on the face of the patent) | ||||
Jul 11 1990 | LOUGEE, DAVID C | OCEANIC SYSTEMS, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 005382 | 0885 | |
Jul 11 1990 | HUDSON, THOMAS G | OCEANIC SYSTEMS, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 005382 | 0885 | |
Jul 11 1990 | GIOVANETTI, THOMAS A | OCEANIC SYSTEMS, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 005382 | 0885 |
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