DW

Daniel W. Wollensak

SR Sanford Research: 2 patents #1 of 13Top 8%
📍 Elmhurst, IL: #259 of 619 inventorsTop 45%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,367,336 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4341481 Writing instrument with barrel and ferrule assembly — 1982-07-27
4341482 Housing assembly for fluid marking device — 1982-07-27