Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Compound lens system

Compound lens system

US Patent 5216548 · Granted Jun 1, 1993

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Power supply topologies with PWM frequency control2011
Light-emitting diode light source system2009
Electronic apparatus with a foldable display1998
Constant-speed scanning lens system1990