WC

William J. Calderwood

WK World Kitchen: 4 patents #15 of 32Top 50%
📍 Genoa, IL: #9 of 31 inventorsTop 30%
🗺 Illinois: #21,447 of 84,256 inventorsTop 30%
Overall (All Time): #1,272,727 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D457780 Handle for cheese grater Pamela S. Hannum, Charles E. Buchanan, John Szeto 2002-05-28
D450543 Napkin holder Pamela S. Hannum, Charles E. Buchanan, John Szeto 2001-11-20
D440816 Utensil handle Richard L. Sassone, John E. Armando 2001-04-24
D440817 Utensil handle John E. Armando, Richard L. Sassone 2001-04-24