Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Combination pen or pencil and circular marking implement

Combination pen or pencil and circular marking implement

US Patent 7156571 · Granted Jan 2, 2007

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Elastomeric coupling and method of improving durability thereof2001
Elastomeric bearing2001
Elastomeric bearing with softening spring rate2000
Pivoting tuned vibration absorber and system utilizing same2000
Isolated hand-held vibrating device1999
Cushioning handle wrap for isolating vibration1998
Vibration isolator for hand-held vibrating devices1998
Snubber using bulk loading1998
Hybrid elastomer-and-metal spring isolator1997
Auxiliary damper for rubber suspension mountings1997
Caster for isolating shock and vibration loads1995