Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Apparatus for making multi-walled plastic bags

Apparatus for making multi-walled plastic bags

US Patent 4551125 · Granted Nov 5, 1985

Estimated economic value: $2,436,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Ostomy bag1999
Thermoplastic multi-layer packaging film and bags made therefrom1996
Thermoplastic multi-layer packaging film and bags made therefrom1989
Laminated packaging films and related articles of manufacture having improved re1986
Laminated packaging films and related articles of manufacture having improved re1986
Multi-walled plastics bag1984
Multi-walled plastics bag1984
Process for making multi-walled plastic bag1981
Process for making multi-walled plastic bag1981