Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Jewelry item with rotating gemstone

Jewelry item with rotating gemstone

US Patent 7536874 · Granted May 26, 2009

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Hinged electronic watch2005
Occlusion detector for rotary peristaltic pump2004
Rotating design element for a jewelry item2002
Time-setting mechanism for clock movement with perpetual julian date2001
Miniature peristaltic pump2001
Train of clockwork with perpetual Julian date2000
Portable peristaltic pump2000
Watch having a glass retaining strap1990
Watch having a visible energy producing oscillatory mass1990
Chronograph watch1988
Timepiece movement including a plurality of stepping motors and an electronic ti1987
Watch case having synthetic material seals between detachable parts thereof1985