Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Sheet roll up

Sheet roll up

US Patent 5890240 · Granted Apr 6, 1999

Assignee

No assignee recorded.

Inventors

Unknown

View full patent text on Google Patents →

More Patents by These Inventors

Food container apparatus2005

Sheet roll up1996

Beverage container holder1994

Tape test cassette1989

Accelerometer1989

Universal head protrusion gauge for video recorders1985

Spindle-height gage and method of calibration1981

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly