Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Board for use as a book page or puzzle with moving component that alters an illustration and exposes a sensor to activate a corresponding sound

Board for use as a book page or puzzle with moving component that alters an illustration and exposes a sensor to activate a corresponding sound

US Patent 10898823 · Granted Jan 26, 2021

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Book with integral mechanical sound producing component2021
Board for use as a book page or puzzle with moving component that alters an illu2020
Soft book2004
Foam book with concertina binding2004
Book cover for retaining objects and book incorporating it therein2003
Soft book2002
Compact disc holder1998
Board book with flexible extremities1997
Book with flexible bag enclosure1997