Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Polystyrene foam sheet manufacture

Polystyrene foam sheet manufacture

US Patent 5443769 · Granted Aug 22, 1995

Estimated economic value: $5,141,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Coextrusion of multilayer film for container sleeve labels2002
Plastic sheet base for packaging bacon2000
Coextrusion of multilayer film for container sleeve labels2000
Polystyrene foam sheet manufacture1999
Polystyrene foam sheet manufacture1999
Multilayer label material1999
Clear film extrusion from an annular die1998
Polystyrene foam sheet manufacture1997
Polystyrene foam sheet manufacture1997
Clear film extrusion from an annular die1994
Method and apparatus for forming a fabricated thermoplastic container and a fabr1993
Polystyrene foam sheet manufacture1992