These historical examples of patents provide useful context for understanding the role of intellectual property rights and technological innovation in industrial development, though they are too general to be the subject of a direct question.
Which of the following inventions, patented in 1888, was instrumental in the widespread adoption of alternating current (AC) power systems?
Stephanie Kwolek is credited with the discovery of which high-strength polymer fiber, originally described as optically anisotropic aromatic polyamide dopes?
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