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The ornamental design for a diaphragm pump, as shown and described. |
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FIG. 1 is an isometric view showing the front top and left side of a diaphragm pump according to the present invention;
FIG. 2 is a front elevation view of a diaphragm pump according to the present invention;
FIG. 3 is a rear elevation view of a diaphragm pump according to the present invention;
FIG. 4 is a right elevation view of a diaphragm pump according to the present invention;
FIG. 5 is a left elevation view of a diaphragm pump according to the present invention;
FIG. 6 is a bottom view of a diaphragm pump according to the present invention; and,
FIG. 7 is a top view of a diaphragm pump according to the present invention .
Kozumplik, Jr., Nicholas, Elfers, Robert C., Purdy, Douglas D.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Aug 15 1995 | KOZUMPLIK, NICHOLAS JR | ARO CORPORATION, THE | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007679 | /0927 | |
| Aug 15 1995 | ELFERS, ROBERT C | ARO CORPORATION, THE | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007679 | /0927 | |
| Aug 15 1995 | PURDY, DOUGLAS D | ARO CORPORATION, THE | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007679 | /0927 | |
| Aug 28 1995 | The Aro Corporation | (assignment on the face of the patent) | / | |||
| Jan 26 1996 | ARO CORPORATION, THE | Ingersoll-Rand Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007815 | /0897 |
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