Patch applying mechanism for window envelopes
Patch cutting and application system for two independently...
Permanent marking article and method of application
Piercing blade temperature control
Pinch bottom bag
Pipe insulation and corrosion protection system
Plastic bag and method and apparatus of manufacture
Plastic bag fabricating, dispensing and sealing unit
Plastic bag handle aperture forming apparatus
Plastic bag handle forming apparatus
Plastic bag making apparatus
Plastic bag making apparatus
Plastic bag making apparatus
Plastic bag making apparatus
Plastic bag making apparatus
Plastic bag making apparatus
Plastic bag making method and apparatus
Plastic bag, and method and means for making same
Plastic bags and like containers
Plastic bags and like containers