DK

David R. Knaub

HA Hanco: 3 patents #1 of 10Top 10%
📍 Portland, OR: #3,756 of 9,213 inventorsTop 45%
🗺 Oregon: #10,188 of 28,073 inventorsTop 40%
Overall (All Time): #1,656,369 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D332331 Squeegee Sandra J. Hansen, Christopher G. Alviar, Paul E. Furner, Terrence K. Jones, Sohrab Vossoughi 1993-01-05
5101530 Squeegee Alan M. Hansen, Sandra J. Hansen, Christopher G. Alviar, Paul E. Furner, Terrence K. Jones +1 more 1992-04-07
5074027 Method of making a squeegee Christopher G. Alviar, Paul E. Furner, Terrence K. Jones, Sohrab Vossoughi 1991-12-24