Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Acoustic vibration sheet and polypropylene composition for the same

Acoustic vibration sheet and polypropylene composition for the same

US Patent 4761451 · Granted Aug 2, 1988

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Rolling bearing2015
Rolling bearing sealing device2013
Sealing device for bearing2012
Pressure regulating valve2006
Process for producing polyolefin thermoplastic elastomer composition1993
Light-emitting element array driver circuit1992
Process for making small diameter sticks1992
Method for making dental root canal filling points1991
Method for press-molding thermoplastic resin1991
Apparatus for making dental root canal filling points1991
Stick of small diameter1991
Light-emitting element array driver circuit1990