Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Refractory composition

Refractory composition

US Patent 5217929 · Granted Jun 8, 1993

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Spill resistant portable urinal2005
Electrofluid converters1989
Variable refluctance position transducer1988
Analog electro-fluidic signal transducer1984
Low power solenoid-operated air valve with magnetic latching1981