Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Sealed beam headlamp and method for testing its serviceability

Sealed beam headlamp and method for testing its serviceability

US Patent 4720652 · Granted Jan 19, 1988

Estimated economic value: $8,527,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Vacuum fluorescent display device with substrate including a metal plate1983
Method of making an integrated display device1983
Glass-to-glass sealing method with conductive layer1981
Fluorescent indicator and method of making same1981
Glass-to-glass sealing method with conductive layer1980
Vacuum fluorescent indicator1980
Method of forming carbon anodes in multidigit fluorescent display devices1980