Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Timepiece which permits freely adjusting the level of sounds produced therein and given out thereof

Timepiece which permits freely adjusting the level of sounds produced therein and given out thereof

US Patent 4203279 · Granted May 20, 1980

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Corneal shape measuring apparatus1997
Corneal shape measuring apparatus1997
Eye refractometer1986
Slide fastener for preventing jamming of foreign matter1981
Solid slide fastener capable of effecting strong union1980