Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Reading tutor

Reading tutor

US Patent 6004135 · Granted Dec 21, 1999

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Action doll2001
Programmable sound and music making device2000
Helical coil spring toy and a response device therefor1999
Electronic counting apparatus for a child's game and method therefor1999
Animated characters utilizing face unit mechanism and control system1999
Toy figure with rump-actuated sound generator1998
Device and method for controlling digitally-stored sounds to provide smooth acce1998
Toy figure with rump-actuated sound generator1997
Ornament/display member1996
Clip-on illuminated toy1994
Audible message/information delivery system1994
Electronic sound-generating simulated baby bottle toy1992