Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Apparatus and method for envelope flap opening

Apparatus and method for envelope flap opening

US Patent 6640521 · Granted Nov 4, 2003

Estimated economic value: $17,227,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Well operation optimization2022
Pressure protection system for lift gas injection2022
Method of wellbore operations2021
System and method having coupling with layered portion2017
Tabber with bulge in peeler2011
Jam access system for sheet handling apparatus2011
Accumulator for sheet handling apparatus2008
Trailing edge rotating deflector with center passage for sheet handling apparatu2008
Movable sheet guide2007
Apparatus for moistening an envelope2005
Apparatus for moistening an envelope2005
Ink ribbon cassette1997