Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835602 | Color projection television system with apparatus for correcting misconvergence and misgeometry which calculates coefficients of equations representing deflection correction waveforms | — | 1989-05-30 |
| 4807014 | Three tube color projection television system having multispot blue tube and single-spot red and green tubes | Aart A. Van Gorkum, Leendert Vriens, Johannes H. M. Spruit, Alexander R. H. Van Schoonhoven | 1989-02-21 |