PJ

Perry H. Goodwin, Jr.

RC Robertshaw Controls: 2 patents #114 of 302Top 40%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,371,861 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4292633 Two-wire isolated signal transmitter Richard J. Kotalik 1981-09-29
4221004 Adjustable ultrasonic level measurement device Charles M. Combs 1980-09-02