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The ornamental design for an air cleaner, substantially as shown and described. |
FIG. 1 is a perspective view of an air cleaner showing our new design;
FIG. 2 is a side elevational view showing one end thereof;
FIG. 3 is a view like FIG. 2, showing the other end thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a side elevational view thereof;
FIG. 6 is a view like FIG. 5 showing the other side thereof.
Sullivan, Bruce M., Gauer, Daniel S., Alseth, Steven M.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Sep 28 1982 | GAUER, DANIEL S | DONALDSON COMPANY, INC , A COPR OF DEL | ASSIGNMENT OF ASSIGNORS INTEREST | 004095 | /0020 | |
Sep 28 1982 | ALSETH, STEVEN M | DONALDSON COMPANY, INC , A COPR OF DEL | ASSIGNMENT OF ASSIGNORS INTEREST | 004095 | /0020 | |
Sep 28 1982 | SULLIVAN, BRUCE M | DONALDSON COMPANY, INC , A COPR OF DEL | ASSIGNMENT OF ASSIGNORS INTEREST | 004095 | /0020 | |
Sep 30 1982 | Donaldson Company, Inc. | (assignment on the face of the patent) | / |
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