DM

David E. McDowell

BI Bissell: 1 patents #1 of 3Top 35%
📍 Grand Rapids, MI: #4 of 44 inventorsTop 10%
🗺 Michigan: #416 of 1,972 inventorsTop 25%
Overall (1982): #70,352 of 81,411Top 90%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4357727 Dual brush floor sweeper — 1982-11-09