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The ornamental design for a bubble diffuser, as shown and described. |
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FIG. 1 is a perspective view of a bubble diffuser showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a side elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top plan view thereof; and
FIG. 6 is a bottom plan view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Aug 09 1989 | GROSS, PETER S | AEROMIX SYSTEMS, INCORPORATED, A CORP OF MN | ASSIGNMENT OF ASSIGNORS INTEREST | 005111 | /0904 | |
| Aug 21 1989 | Aeromix Systems, Incorporated | (assignment on the face of the patent) | / | |||
| Nov 02 1994 | Aeromix Systems, Incorporated | TCF BANK SAVINGS FSB | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 007189 | /0919 | |
| Nov 02 1994 | Aeromix Systems, Incorporated | TCF BANK MINNESOTA FSB | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 007505 | /0447 | |
| Jul 28 1997 | Aeromix Systems, Incorporated | BNC NATIONAL BANK OF MINNESOTA | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 008628 | /0622 | |
| Aug 10 2001 | Aeromix Systems, Incorporated | ANCHOR BANK NATIONAL ASSOCIATION | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 012103 | /0859 |
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