Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6562249 | Method utilizing a magnetic assembly during etching thin shadow masks | Charles M. Wetzel, Randall E. McCoy, Leo B. Kriksunov, Lance Benjamin, Derek Harris +1 more | 2003-05-13 |
| 5730887 | Display apparatus having enhanced resolution shadow mask and method of making same | Theodore Frederick Simpson, Istvan Gorog, Bruce G. Marks, Charles M. Wetzel | 1998-03-24 |
| 5689149 | Color picture tube having shadow mask with improved aperture shapes | Thomas D. Welles, Jr. | 1997-11-18 |