RD

Richard H. Doree

3M: 3 patents #4,214 of 11,543Top 40%
📍 Windom, MN: #1,009 of 2,819 inventorsTop 40%
🗺 Minnesota: #19,064 of 52,454 inventorsTop 40%
Overall (All Time): #1,666,701 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4898633 Article containing microencapsulated materials Josef V. Ugro, Jr. 1990-02-06
4774133 Article containing microencapsulated materials Josef V. Ugro, Jr. 1988-09-27
4654256 Article containing microencapsulated materials Josef V. Ugro, Jr. 1987-03-31