MH

Margaret A. Hartfel

3M: 1 patents #373 of 989Top 40%
📍 Minneapolis, MN: #153 of 497 inventorsTop 35%
🗺 Minnesota: #1,999 of 5,843 inventorsTop 35%
Overall (2011): #227,737 of 364,097Top 65%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8002200 Apparatus for spraying liquids, and disposable containers and liners suitable for use therewith Stephen C. P. Joseph, Malcolm F. Douglas, Alan F. Butler, David R. Bastow, Jerry E. Salhus 2011-08-23