Inventor
Zeya K. Krasko
Inventor
Danvers, MA, US
Overview
Patents· 16 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
6,786,791'Quartz arc tube for a metal halide lamp and method of making same'20046,661,173'Quartz arc tube for a metal halide lamp and method of making same'20036,147,440'Low wattage lamp having formed arc tube in aluminosilicate outer jacket'20005,694,002'Metal halide lamp with improved color characteristics'19975,225,733'Scandium halide and alkali metal halide discharge lamp'19935,057,743'Metal halide discharge lamp with improved color rendering properties'19915,003,214'Metal halide lamp having reflective coating on the arc tube'19914,890,030'Metal halide discharge lamp with arc tube temperature equalizing means'19894,859,899'Metal-halide lamp having heat redistribution means'19894,825,127'Metal halide discharge lamp for plant growing'19894,791,334'Metal-halide lamp having heat redistribution means'19884,709,184'Low wattage metal halide lamp'19874,636,687'Electrode alignment and capsule design for single-ended low wattage metal halide lamps'19874,625,141'Low wattage metal halide discharge lamp electrically biased to reduce sodium loss'19864,620,130'Electrode alignment and capsule design for single-ended low wattage metal halide lamps'19864,620,125'Low wattage metal halide lamp with inverted domed sleeve'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1993Patents assigned to GTE PROD CORP (12)· patent assignee history
1986–1991Based in Danvers, MA, US· patent location history
1988–1993Based in Beverly, MA, US· patent location history
1997–2004Patents assigned to OSRAM SYLVANIA INC (4)· patent assignee history
1997–2004Based in Peabody, MA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GTE PROD CORP | 12 | 1986–1993 |
| OSRAM SYLVANIA INC | 4 | 1997–2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Danvers, Massachusetts, US | 7 | 1986–1991 |
| Beverly, Massachusetts, US | 5 | 1988–1993 |
| Peabody, Massachusetts, US | 4 | 1997–2004 |