Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Machine and method for manufacturing square or flat bottom bags having movable positions or stations including the use of a mandrel

Machine and method for manufacturing square or flat bottom bags having movable positions or stations including the use of a mandrel

US Patent 4230030 · Granted Oct 28, 1980

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Combined cup holder and carrier with cut-out handles2015
Reversible belt with slide buckle2011
Single-sheeted-type and dual-handled-type carrier for suspending a drinking cup 2010
Square bottom sealable bag forming machine2008
Plastic gusset bag with closure and cut-out handle2006
Spiritual aura angel with wings applique2005
Flat bottom bag with handle2005
Bag with inverted loop handle1998
Convertible footwear1995
Plastic bag forming machine1990
Method and apparatus for the automatic manufacture of flat bottom bags1990