| 摘要 |
March 23, 1992 "SWIPE": 2 SUPPORTING HEAD WINDOW CLEANING DEVICE LENWORTH MAXWELL VAZ THIS INVENTION RELATES TO A WINDOW CLEANING DEVICE, IN PARTICULAR A SQUEEGEE, HAVING A RIGID ELONGATED HANDLE, WITH TWO SUPPORTING HEADS POSITIONED HORIZONTALLY AND PARALLEL TO EACH OTHER, RESEMBLING THE LETTER "H". THE LOWER HORIZONTAL SUPPORTING HEAD CONTAINING THE SPONGE, IS CONNECTED TO A SHORT VERTICAL EXTENSION ANGLED SLIGHTLY UPWARD, SECURING THE SECOND HORIZONTAL SUPPORTING HEAD HAVING THE SQUEEGEE. THE SPONGE AND SQUEEGEE FACE THE SAME DIRECTION.
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