DM

David J. Marshall

SP Spotless Plastics Pty.: 2 patents #1 of 6Top 20%
📍 Madison, WI: #11 of 259 inventorsTop 5%
🗺 Wisconsin: #100 of 2,194 inventorsTop 5%
Overall (1997): #17,208 of 185,788Top 10%
3
Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D382145 Bookcase fa.cedilla.ade 1997-08-12
5628132 Indicator and garment hanger Joseph C. Hollis 1997-05-13
5604975 Automatic apparatus for assembling hangers with indexing caps Stanley F. Gouldson, John Mazza, Olaf Olk, Robert Maiorca 1997-02-25