Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Discharge tube for a high pressure metal vapor discharge lamp and a method of manufacturing the same

Discharge tube for a high pressure metal vapor discharge lamp and a method of manufacturing the same

US Patent 4687969 · Granted Aug 18, 1987

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Vehicle seat and method of manufacturing the same2022
Vehicle seat2015
Seat gap hiding structure2014
Beta-alumina solid electrolyte and process for production thereof1997
Beta-alumina solid electrolyte1997
Method of manufacturing high density silicon nitride sintered bodies1993
Ceramic lid for sealing semiconductor element and method of manufacturing the sa1992
Silicon nitride sintered bodies1992
Solid electrolyte tube for sodium sulfur cells and surface finishing process the1991
Ceramic envelope device for high-pressure discharge lamp, and method for produci1990
Ceramic envelope device for high-pressure discharge lamp1989
Ceramic envelope device for high-pressure discharge lamp1989