They were original in the 1984 Macintosh OS (before it had a name), and published in the first edition (1987) of the Apple Human Interface Guidelines.
Just two of the things Microsoft copied successfully. :)
Just two of the things Microsoft copied successfully. :)
It may well have been kicking around PARC before Jobs made the deal with Xerox. But I can't find any images that show either of those UI elements, pre-Lisa.