FH

Francois Hullein

Overall (All Time): #1,674,756 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4664519 Angle encoder for encoding the zenithal angle between a variable determined direction and the vertical, in particular for a theodolite Jacques Bodin 1987-05-12
4639129 Method of measuring distance between two observation points Gerard Fribault 1987-01-27
4240069 Angle coder with variable input angle Jean Cadet 1980-12-16