Inventor
Ranajit K. Datta
Inventor
East Cleveland, OH, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C04Bprimary
C04BLime, magnesia38%
H01JElectric discharge tubes or discharge lamps38%
C03CChemical composition of glasses, glazes or vitreous enamels25%
PatentTitleYear
5,394,057'Protective metal silicate coating for a metal halide arc discharge lamp'19954,208,605'Alumina, calcia, baria sealing composition optionally modified with B.sub.2 .sub.3'19804,076,991'Sealing materials for ceramic envelopes'19783,988,629'Thermionic wick electrode for discharge lamps'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1995Patents assigned to GEN ELECTRIC (4)· patent assignee history
1976–1980Based in East Cleveland, OH, US· patent location history
1978Based in Cleveland Heights, OH, US· patent location history
1995Based in Cleveland, OH, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN ELECTRIC | 4 | 1976–1995 |
Locations
| Location | Patents | Span |
|---|---|---|
| East Cleveland, OH, US | 2 | 1976–1980 |
| Cleveland, OH, US | 1 | 1995 |
| Cleveland Heights, OH, US | 1 | 1978 |