Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Moistening device for envelope flaps

Moistening device for envelope flaps

US Patent 5073227 · Granted Dec 17, 1991

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Apparatus including a roller for shaking and loosening flat articles in a stack 1999
Device for printing to stock standing on edge1999
Postage meter1997
Device for lifting flaps of envelopes1993
Separating head1989
Apparatus for monitoring letter closing devices1989