HH

Harry Howden

U.S. Philips: 6 patents #699 of 8,851Top 8%
📍 Smallfield, GB: #1 of 3 inventorsTop 35%
Overall (All Time): #895,460 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4665336 Means for cooling the faceplate of a cathode ray tube in a television projection system 1987-05-12
4615847 Method and apparatus for producing a lens having an accurately centered aspherical surface 1986-10-07
4484798 Method of manufacturing a multiple mirror reflector for a land based telescope 1984-11-27
4367014 Polygonal rotary scanners 1983-01-04
4327606 Method of making a master replicating tool 1982-05-04
4319945 Method of producing aspherical optical elements 1982-03-16