In 2019, Logitech, a well-known technology company, was involved in a patent controversy surrounding its "Escalier" or stair-step design. The Escalier design refers to a keyboard layout featuring raised, tiered keys that resemble a staircase.
The term "patched" in your query likely refers to the fact that, following criticism and opposition, Logitech chose not to pursue manufacturing or commercializing the Escalier design. Effectively, the design was 'patched' or put aside. logi escalier patched
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