Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Retractable, refillable, sharpen-free pencil assembly

Retractable, refillable, sharpen-free pencil assembly

US Patent 5292202 · Granted Mar 8, 1994

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Wiring arrangement at wall edges and corners with decorative effect2022
Foldable electrical junction box for lighting apparatus2022
High temperature resistant fabric and its use in flexible circuits2020
Vehicle box organizer2020
Oyster opening device2016
Heat shrinkable fabric panels for facilitating seat cover installation2001
Injectable formulations of nanoparticulate naproxen2000
Universal decorative facade telescoping fixture1997
Cooking system and accessories1996
Cooking system and accessories1995
Muffin holder1995
Collapsible car window canopy apparatus1990