WS

William J. Schaad

IM Indak Manufacturing: 3 patents #8 of 16Top 50%
📍 Winnetka, IL: #52 of 229 inventorsTop 25%
🗺 Illinois: #21,447 of 84,256 inventorsTop 30%
Overall (All Time): #1,169,079 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10704238 Perpetual flow faucet assembly 2020-07-07
4447688 Push button switches having improved carriage, contactor and contact constructions Charles E. Black, III, Raymond T. Halstead 1984-05-08
4412109 Push button switches having contact structures to avoid detent action and to enhance break-before-make action Charles E. Black, III, Raymond T. Halstead 1983-10-25
4392029 Push button switch having latching spring arm molded on plastic casing Charles E. Black, III, Raymond T. Halstead 1983-07-05