From her Wikipedia article:
The device was completed in 1986 after Bath conducted research on lasers in Berlin and patented in 1988, making her the first African-American woman to receive a patent for a medical purpose.
This bit of trivia is actually what surprised me most. “A medical purpose” is so general, and 1988 is so late by comparison.
JoShmoe@ani.social 7 minutes ago
90s era of american television paints an interesting picture.