SF

Stanley E. Filipiak

Illinois Tool Works: 3 patents #1,165 of 4,258Top 30%
📍 Chicago, IL: #3,897 of 13,327 inventorsTop 30%
🗺 Illinois: #26,653 of 84,256 inventorsTop 35%
Overall (All Time): #1,680,293 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4535210 Keyswitch stabilizing device Charles J. Shedore 1985-08-13
4357646 Capacitive keyswitch with overtravel mechanism on moveable plate John K. McVey 1982-11-02
4295012 Secretarial shift mechanism for an electric keyboard Robert J. Keeler 1981-10-13