DF

Douglas K. Fossum

3M: 5 patents #2,937 of 11,543Top 30%
📍 Shoreview, MN: #219 of 657 inventorsTop 35%
🗺 Minnesota: #13,602 of 52,454 inventorsTop 30%
Overall (All Time): #1,047,266 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6284337 Durable security laminate with heat-shrinkable layer Lynn E. Lorimor, Frederick J. Fox 2001-09-04
5683774 Durable, tamper resistant security laminate Lynn E. Faykish 1997-11-04
5169707 Retroreflective security laminates with dual level verification Lynn E. Faykish, Wallace K. Bingham 1992-12-08
5060981 Transparent overlay for protecting a document from tampering Susan K. Jongewaard, John W. McConville 1991-10-29
4968063 Transparent tamper-indicating document overlay John W. McConville, Susan K. Jongewaard 1990-11-06