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Basic Keyword Patent Search
> they deliberately didn't patent it If you'll check the historical record you'll find, for example, patents US2524035A (Bardeen&Brattain, Three-electrode circuit element utilizing semiconductive materials, oldest priority 1948-02-26) and US2569347A (Shockley, Circuit element utilizing semiconductive material, oldest priority 1948-06-26). > How 'bout the amplifiers on the optical fibers? patents.google.com reports 65279 hits for "optical fiber amplifier" > Uh, the laser? The original invention of the laser led to patent disputes and lawsuits that weren't settled until 1987. > RSA encryption US4405829A (Rivest, Shamier, Alderman, Cryptographic communications system and method, filed 1977 awarded 1983) > And the FFT (fast Fourier transform)? There's an entire category for this, G06F17/142, with 11186 entries: https://patents.google.com/?q=G06F17%2f142.
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