5 ms·

cf. patent US 92467 from 1869 — https://worldwide.espacenet.com/publicationDetails/originalDocument?CC=US&NR=92467A&KC=A&FT=D https://worldwide.espacenet.com/pu

by mgdlbp 3y ago

cf. patent US 92467 from 1869 — https://worldwide.espacenet.com/publicationDetails/originalDocument?CC=US&NR=92467A&KC=A&FT=D https://worldwide.espacenet.com/publicationDetails/originalD...