Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Speaker box

Speaker box

US Patent 4905860 · Granted Mar 6, 1990

Estimated economic value: $88,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Numerical control device2017
Wrist watch case2017
Numerical control device2016
Watch2014
Watch dial2010
Watch case with a band2009
Horn, horn unit, and bonding apparatus using same2009
Portion of a watch case2007
Speaker apparatus and sound reproduction apparatus2006
Watch dial2006
Sensed-pressure-data converter2003
Rotation angle detector for detecting a rotational position of a steering wheel 2002