Home › Inventors › Ann M. Preus

Ann M. Preus

Minneapolis, MN: #3,628 of 6,114 inventorsTop 60%

Minnesota: #32,449 of 52,454 inventorsTop 65%

Overall (All Time): #4,051,495 of 4,157,543Top 100%

1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4382794	Instructional aid	—	1983-05-10