Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5278473 | Method of despensing mercury into arc dishcharge lamp having capsule coated with low ionization energy material | Kendrick D. Rattray, Dennis D. Spaulding | 1994-01-11 |
| 4870323 | Method of dispensing mercury into an arc discharge lamp | William J. Roche | 1989-09-26 |
| 4823047 | Mercury dispenser for arc discharge lamps | James L. Holmes | 1989-04-18 |
| 4553067 | Method of dispensing mercury into a fluorescent lamp and lamp to operate with method | William J. Roche | 1985-11-12 |
| 4454447 | Dual filament fluorescent lamp with electron shielding means | William J. Roche | 1984-06-12 |