KF

Kathleen H. Frizell

UI US Dept of the Interior: 2 patents #49 of 508Top 10%
📍 Arvada, CO: #450 of 1,140 inventorsTop 40%
🗺 Colorado: #17,029 of 40,980 inventorsTop 45%
Overall (All Time): #2,181,182 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6907779 Continuous flow measurement recorder and recording method Blair Lewis Stringam, Brent W. Mefford 2005-06-21
5544973 Concrete step embankment protection Brent W. Mefford, Tracy B. Vermeyen, Douglas I. Morris 1996-08-13