Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Method of and device for drawing an optical fiber from a solid preform consisting substantially of SiO.sub.2 and doped SiO.sub.2

US Patent 4673427 · Granted Jun 16, 1987

Estimated economic value: $1,386,000

Assignee

Inventors

View full patent text on Google Patents →