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John E. Van Schalkwyk

GO Gould: 1 patents #131 of 364Top 40%
📍 Andover, MA: #866 of 1,295 inventorsTop 70%
🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%
Overall (All Time): #4,044,657 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4484303 Programmable controller Salvatore R. Provanzano, Wilbert H. Aldrich, Robert A. D'Angelo, Emil P. Drottar, John J. Finnegan, Jr. +7 more 1984-11-20