DS

Derk van der Scheer

HB Hazemeijer B.V.: 2 patents #1 of 3Top 35%
📍 Goor, NL: #1 of 2 inventorsTop 50%
Overall (1982): #15,045 of 81,411Top 20%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4354215 Selective safety device for the protection of a power distribution system 1982-10-12
4319210 Current limiting switch capable of rapid circuit breaking Hendrik A. Bosch 1982-03-09