Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6984931 | UV-emitting phosphor blend and tanning lamp containing same | Aline Tetreault, Leonard V. Dullea, Pascal Horion | 2006-01-10 |
| 5441774 | Method of coating phosphors of fluorescent lamp glass | Leonard V. Dullea | 1995-08-15 |
| 5378495 | Method of coating a fluorescent lamp | — | 1995-01-03 |
| 5362524 | Method for coating asymmetric glass envelope for lamp by electrostatic coating | Mark A. Morrison, Leonard V. Dullea, Richard Kingston, Joseph A. Olsen | 1994-11-08 |
| 5314723 | Method of coating phosphors on fluorescent lamp glass | Lenoard V. Dullea | 1994-05-24 |
| 5302318 | Method for increasing the cohesiveness of powders in fluid beds | Leonard V. Dullea | 1994-04-12 |
| 5277245 | Heat transfer in fluidized bed of cohesive powder | Leonard V. Dullea | 1994-01-11 |
| 5234710 | Fluorescent suntanning lamps | Paul Salvi | 1993-08-10 |
| 5223782 | Method for measuring the fluidity of fluidized beds | Leonard V. Dullea | 1993-06-29 |
| 5198029 | Apparatus for coating small solids | Leonard V. Dullea, Ernest A. Dale | 1993-03-30 |
| 5175942 | Method for fluidized bed discharge | Leonard V. Dullea, Ernest A. Dale | 1993-01-05 |
| 5167982 | Method of detecting a degraded phosphor in a lamp phosphor suspension | Ernest A. Dale, Leonard V. Dullea | 1992-12-01 |
| 5160663 | Method of reclaiming lamp phosphor | Leonard V. Dullea | 1992-11-03 |
| 5126166 | Method of reducing the degradation of the red phosphor, Y203:EU, in water base lamp suspensions | Ernest A. Dale, Leonard V. Dullea | 1992-06-30 |
| 5071590 | Method for increasing the cohesiveness of powders in fluid beds | Leonard V. Dullea | 1991-12-10 |
| 4990371 | Process for coating small solids | Leonard V. Dullea, Ernest A. Dale | 1991-02-05 |