Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6939190 | Neck cleaning method for a CRT | Donald W. Bartch, Leonard P. Wilbur, Jr. | 2005-09-06 |
| 6800994 | Resistive primer coating for a display apparatus | Donald W. Bartch, Alan Halecky, James Francis Edwards | 2004-10-05 |
| 6669525 | Neck cleaning method for a CRT | Donald W. Bartch, Leonard P. Wilbur, Jr. | 2003-12-30 |