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What is claimed is the ornamental design for a operating room ductwork, as shown and described.
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FIG. 1 is a front elevation of the operating room ductwork of Applicants' invention.
FIG. 2 is a left side elevation of the operating room ductwork of Applicants' invention taken at an angle of 45 degrees relative to the front view of FIG. 1, the right side being a mirror image thereof.
FIG. 3 is a top view of the operating room ductwork of Applicants' invention; and,
FIG. 4 is a bottom view of the operating room ductwork of Applicants' invention.
There is no rear view shown, the same being unornamented and not visible in normal use of the invention.
Peterson, Michael J., Vesligaj, Mark J., Buehler, Daniel A.
| Patent | Priority | Assignee | Title |
| Patent | Priority | Assignee | Title |
| 6511373, | Jan 16 2001 | Synergetics, Inc. | Cornice duct system |
| D465022, | Oct 09 2001 | NSA Corporation | Furnace mounting block |
| D476074, | Mar 20 2001 | EASTERN SHEET METAL INC | Duct tap with a crimped end |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jan 23 2003 | Dialysis Systems, Inc. | (assignment on the face of the patent) | / | |||
| May 09 2003 | PETERSON, MICHAEL J | DIALYSIS SYSTEMS, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 014076 | /0295 | |
| May 09 2003 | VESLIGAJ, MARK J | DIALYSIS SYSTEMS, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 014076 | /0295 | |
| May 09 2003 | BUEHLER, DANIEL A | DIALYSIS SYSTEMS, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 014076 | /0295 | |
| Nov 16 2006 | DIALYSIS SYSTEMS, INC | DIALYSIS DIMENSIONS, INC | NUNC PRO TUNC ASSIGNMENT SEE DOCUMENT FOR DETAILS | 018524 | /0698 | |
| Feb 15 2014 | DIALYSIS DIMENSIONS, INC | THE COMFORT GROUP, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 032232 | /0477 |
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