Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Egg carton

Egg carton

US Patent D306138 · Granted Feb 20, 1990

Assignee

Dolco Packaging

Inventors

Wayne L. Congleton (7 patents)
Joe R. Payne (6 patents)

View full patent text on Google Patents →

More Patents by These Inventors

Heating band device1999

Mold containing an adjustable key1992

Food container1991

Produce container1990

Snaplock thermoformed container1990

Molding apparatus having a vented female mold member for forming foamed egg cart1983

Foam egg carton1983

Container for food such as tacos1980

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly