Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6781297 | Method and apparatus for maintaining mask strand spatial uniformity | Richard LaPeruta, Jr. | 2004-08-24 |
| 6720722 | Color picture tube having a low expansion tensioned mask attached to a higher expansion frame | Rein Mutso, Christopher Lee French | 2004-04-13 |
| 6717345 | Method and apparatus for maintaining spacing between tension focus mask strands in a tension focus mask | Richard LaPeruta, Jr., Donald W. Bartch, James Francis Edwards | 2004-04-06 |
| 6674224 | Tension focus mask for a cathode-ray tube (CRT) | Kevin Duane Close, Steven Anthony Colbert, Richard LaPeruta, Jr., David Paul Ciampa, Samuel Paul Benigni | 2004-01-06 |
| 6639344 | Cathode ray tube having a focus mask and support frame assembly with an improved border | Alan Weir Bucher, Donald W. Bartch, James Francis Edwards | 2003-10-28 |
| 6604974 | Method and apparatus for applying crosswires to a tension focus mask | James Edward Doty, Mark Allen Thomson, Leonard P. Wilbur, Jr. | 2003-08-12 |
| 6455992 | Color picture tube having a low expansion tension mask attached to a higher expansion frame | Mark Allen Thomson, James Francis Edwards | 2002-09-24 |
| 5928821 | Method of manufacturing a phosphor screen for a CRT | George M. Ehemann, Jr. | 1999-07-27 |
| 5640019 | Method of determining the quality of an aluminized, luminescent screen for a CRT | George M. Ehemann, Jr., Richard LaPeruta, Jr. | 1997-06-17 |
| 5619330 | Method and apparatus for determining thickness of an OPC layer on a CRT faceplate panel | George M. Ehemann, Jr., Robert A. Duschl, Istvan Gorog | 1997-04-08 |
| 5554468 | CRT electrophotographic screening method using an organic photoconductive layer | Pabitra Datta, Eugene S. Poliniak, Brian T. Collins, Harry R. Stork, Peter M. Ritt +2 more | 1996-09-10 |