BR

Bernardus J. G. M. Roelofs

U.S. Philips: 1 patents #4,133 of 8,851Top 50%
📍 Delft, NL: #243 of 1,192 inventorsTop 25%
Overall (All Time): #1,649,331 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5588963 Method for liquid flow measuring and apparatus to practice this method 1996-12-31
5001385 Electron beam apparatus with adjusting mechanism for a thermally emitting cathod tip 1991-03-19
4568833 Charged-particle beam exposure device incorporating beam splitting 1986-02-04