Quote:
Originally Posted by pdurrant
Overlapping windows in a GUI, and QuickDraw regions which was the underlying technology that enabled overlapping windows.
Region patent
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Overlapping windows were a feature of the Xerox Star 8010, which a) predates that patent by several years, and b) is the source of the various WIMP/WYSIWYG/GUI products. On the matter of patents see ==>>
Xerox_Star — 5 Legacy
BR