Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Coextruded laminar thermoplastic bags

Coextruded laminar thermoplastic bags

US Patent 4220684 · Granted Sep 2, 1980

Estimated economic value: $71,312,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Draw tape bag with two single wrap around draw tapes and method of manufacture1989
Dual draw tape bag and method of manufacture1988
Draw tape bag with two single wrap around draw tapes and method of manufacture1988
Draw tape bag with two single draw tapes and method of manufacture1988
Fastening apparatus for twist ties1986
Fastening apparatus for twist ties1985
Coextruded laminar thermoplastic bags1981