RH

Richard J. Haffner

3M: 1 patents #451 of 1,276Top 40%
📍 New Richmond, WI: #10 of 32 inventorsTop 35%
🗺 Wisconsin: #1,578 of 4,723 inventorsTop 35%
Overall (2021): #289,430 of 548,734Top 55%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10920417 Fire-resistant building joint system John C. Hulteen, George W. Frost, Robert E. Gestner, Ernst Schmidt 2021-02-16