John E. VanSchalkwyk

Follow

Person

Andover, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Programmable controller
- Patent number 4,484,303
- Issue date Nov 20, 1984
- Gould Inc.
- Salvatore R. Provanzano
- G05 - CONTROLLING REGULATING
Information Patent Grant
Programmable controller
- Patent number 4,307,447
- Issue date Dec 22, 1981
- Gould Inc.
- Salvatore R. Provanzano
- G05 - CONTROLLING REGULATING