Inventor
Richard A. Parrott
Inventor
Merrimack, NH, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Jprimary
H01JElectric discharge tubes or discharge lamps100%
PatentTitleYear
5,731,662'Metal halide lamp with getter'19985,327,042'Metal halide lamp'19945,248,273'Method of fabricating ultraviolet radiation starting source'19935,122,706'Arc lamp assembly with containment means surrounding light source capsule'19924,401,913'Discharge lamp with mount providing self centering and thermal expansion compensation'19834,333,032'High pressure sodium lamp containing barium getter'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1993Patents assigned to GTE PROD CORP (4)· patent assignee history
1982–1998Based in Merrimack, NH, US· patent location history
1994–1998Patents assigned to OSRAM SYLVANIA INC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GTE PROD CORP | 4 | 1982–1993 |
| OSRAM SYLVANIA INC | 2 | 1994–1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Merrimack, NH, US | 6 | 1982–1998 |