Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5309069 | Phosphors with improved lumen output and lamps made therefrom | Keith A. Klinedinst | 1994-05-03 |
| 5223341 | Phosphor containing barium and lead | — | 1993-06-29 |
| 5196234 | Method for preparing zinc orthosilicate phosphor particle | Fred R. Taubner, Charles F. Chenot, Henry B. Minnier | 1993-03-23 |
| 5169557 | Process for production of lanthanum cerium aluminate phosphors | Michael N. Alexander, Charles W. Struck | 1992-12-08 |
| 5151215 | Pre-water-based suspension alumina coated phosphor treatment process | — | 1992-09-29 |
| 5113118 | Phosphors with improved lumen output and lamps made therefrom | Keith A. Klinedinst | 1992-05-12 |
| 5087523 | Phosphors with improved lumen output and lamps made therefrom | Keith A. Klinedinst | 1992-02-11 |
| 5051277 | Method of forming a protective bi-layer coating on phosphore particles | Keith A. Klinedinst | 1991-09-24 |
| 5039449 | Method for improving a manganese activated zinc silicate phosphor | Thomas E. Peters, Roger B. Hunt, Jr. | 1991-08-13 |
| 4979830 | Method for fluidized bed circulation control | Robin W. Munn, Dale E. Benjamin, Silvia E. Lichtensteiger | 1990-12-25 |
| 4956202 | Firing and milling method for producing a manganese activated zinc silicate phosphor | Anthony F. Kasenga, Thomas E. Peters, Roger B. Hunt, Jr. | 1990-09-11 |
| 4950948 | Manganese activated zinc silicate phosphor | Thomas E. Peters, Roger B. Hunt, Jr. | 1990-08-21 |
| 4937503 | Fluorescent light source based on a phosphor excited by a molecular discharge | Walter P. Lapatovich, Michael N. Alexander | 1990-06-26 |
| 4925703 | Firing and milling method for producing a manganese activated zinc silicate phosphor | Anthony F. Kasenga, Thomas E. Peters, Roger B. Hunt, Jr. | 1990-05-15 |
| 4874984 | Fluorescent lamp based on a phosphor excited by a molecular discharge | Walter P. Lapatovich, Michael N. Alexander | 1989-10-17 |
| 4825124 | Phosphor particle, fluorescent lamp, and manufacturing method | — | 1989-04-25 |
| 4818433 | Process for producing lanthanum cerium aluminate phosphors | Michael N. Alexander, Charles W. Struck | 1989-04-04 |
| 4797594 | Reprographic aperture lamps having improved maintenance | Fred R. Taubner | 1989-01-10 |
| 4778581 | Method of making fluorescent lamp with improved lumen output | John Flaherty | 1988-10-18 |
| 4748391 | Yellow green barium lanthanum silicate oxyapatite phosphor, a fluorescent lamp containing the same, and a method thereof | Michael N. Alexander | 1988-05-31 |
| 4710674 | Phosphor particle, fluorescent lamp, and manufacturing method | — | 1987-12-01 |
| 4670688 | Fluorescent lamp with improved lumen output | John Flaherty | 1987-06-02 |
| 4585673 | Method for coating phosphor particles | — | 1986-04-29 |