Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Discharge lamp including an integral cathode fall indicator

Discharge lamp including an integral cathode fall indicator

US Patent 5909091 · Granted Jun 1, 1999

Estimated economic value: $101,171,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Absorbent barrier sheet and method of making same2003
Fluorescent lamp drive system with transformer over-voltage protection circuit1999
Absorbent fabric and undergarments incorporating the fabric1999
Resonant inverter for hot cathode fluorescent lamps1998
Infant t-shirt1998
Hygienic panty and quick-attach pad1998
Activity based cost tracking systems1998
Flat plate sealed lead-acid battery charging system and method1992
Shielded electrical wire construction, and transformer utilizing the same for re1991
Universal power supply, independent converter stages for respective hardware com1989