Betty L. Keppler

📍 Richfield, MN: #163 of 268 inventorsTop 65%

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

Overall (All Time): #3,644,288 of 4,157,543Top 90%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D406644	Female urinal collection aid	—	1999-03-09