WH

Willem A. Hol

HB Hollandse Signaalapparaten B.V.: 1 patents #2 of 8Top 25%
Overall (1994): #52,189 of 165,921Top 35%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5347282 Apparatus for the observation and indentification of helicopters Richard E. M. G. La Grange 1994-09-13