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The ornamental design for a combined heat collector and diffuser, substantially as shown and described. |
FIG. 1 is a front perspective view of a combined heat collector and diffuser showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a side elevational view thereof.
The bottom of the combined heat collector and diffuser is open and unornamented.
Patent | Priority | Assignee | Title |
D489122, | Jan 10 2002 | Helen of Troy Limited | Electric heater |
Patent | Priority | Assignee | Title |
2639655, | |||
2771833, | |||
3648591, |
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