DH

David U. Hillstrom

MD Marketing Displays: 3 patents #1 of 2Top 50%
📍 Novi, MI: #13 of 116 inventorsTop 15%
🗺 Michigan: #371 of 6,370 inventorsTop 6%
Overall (2003): #32,094 of 273,478Top 15%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6631576 Outdoor menu display device 2003-10-14
6606809 Fold-up sign panel assembly Brian Hillstrom 2003-08-19
6560906 Portable sign stand having frangible post 2003-05-13