Searching US Patent Collection...

	PAT. NO.		Title
1	6,700,319		Cathode-ray tube having a tension mask with microphonics control
2	6,696,778		Rigid busbar for a cathode-ray tube (CRT)
3	6,677,700		Cathode-ray tube having a focus mask using partially conductive insulators
4	6,541,901		Tension mask frame assembly for a CRT
5	6,246,164		Color picture tube having a low expansion tension mask attached to a higher expansion frame
6	6,037,086		Method of manufacturing a matrix for a cathode-ray tube
7	5,929,641		Breakdown event detector
8	5,729,092		CRT focus mask degaussing arrangement responsive to a breakdown event
9	5,646,478		Uniaxial tension focus mask for a color CRT with electrical connection means
10	5,625,251		Uniaxial tension focus mask for color CRT and method of making same
11	5,613,889		Method of making a tensioned focus mask
12	5,594,300		Color picture tube having a tensioned mask and compliant support frame assembly
13	5,509,842		Method for pre-stressing CRT tension mask material
14	4,721,366		Illumination of a liquid crystal display
15	4,704,004		Light box having a Fresnel lens
16	4,660,936		Arrangement to minimize reflected ambient light in a display
17	4,330,881		Video disc apparatus for clearing foreign matter from the signal pickup stylus during playback
18	4,287,587		Signal loss dectector for video disc
19	4,113,897		Smooth groove formation method employing spin coating of negative replica of inscribed disc
20	3,968,326		Trapezoidal smooth grooves for video disc
21	3,904,488		True replication of soft substrates
22	3,882,214		Trapezoidal smooth grooves for video disc