Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
WC

Wayne L. Congleton

DPDolco Packaging: 6 patents #1 of 11Top 10%
Walnut, CA: #119 of 870 inventorsTop 15%
California: #82,707 of 386,348 inventorsTop 25%
Overall (All Time): #767,415 of 4,157,543Top 20%
7 Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5085571 Mold containing an adjustable key 1992-02-04
D308822 Egg carton 1990-06-26
D306138 Egg carton Joe R. Payne 1990-02-20
4419068 Molding apparatus having a vented female mold member for forming foamed egg cartons 1983-12-06
4382536 Foam egg carton 1983-05-10
D256667 Egg carton 1980-09-02
4194682 Egg carton Pat E. Placey 1980-03-25