DS

Douglas W. Stein

EH Ekco Housewares: 4 patents #9 of 43Top 25%
WK World Kitchen: 1 patents #24 of 32Top 75%
📍 Chicago, IL: #2,537 of 13,327 inventorsTop 20%
🗺 Illinois: #17,877 of 84,256 inventorsTop 25%
Overall (All Time): #1,043,940 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6374500 Collapsible barbecue tools Bruce Ancona, Daniel Winigrad 2002-04-23
6266885 Collapsible barbecue tools Bruce Ancona, Daniel Winigrad 2001-07-31
6170161 Collapsible barbecue tools Bruce Ancona, Daniel Winigrad 2001-01-09
6047476 Collapsible barbecue tools Bruce Ancona, Daniel Winegrad 2000-04-11
5774994 Collapsible barbecue tools Bruce Ancona, Daniel Winigrad 1998-07-07