PB

Philip Bierhuizen

OT Oak Technology: 1 patents #28 of 64Top 45%
📍 Harvard, IL: #35 of 59 inventorsTop 60%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #4,102,765 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4307275 Membrane switch construction and method for making same Willis A. Larson, Anthony J. Van Zeeland 1981-12-22