Zeya K. Krasko

Person

Danvers, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Scandium halide and alkali metal halide discharge lamp
- Patent number 5,225,733
- Issue date Jul 6, 1993
- GTE Products Corporation
- Zeya K. Krasko
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Metal halide discharge lamp with improved color rendering properties
- Patent number 5,057,743
- Issue date Oct 15, 1991
- GTE Products Corporation
- Zeya K. Krasko
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Metal halide lamp having reflective coating on the arc tube
- Patent number 5,003,214
- Issue date Mar 26, 1991
- GTE Products Corporation
- James Morris
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Metal halide discharge lamp with arc tube temperature equalizing means
- Patent number 4,890,030
- Issue date Dec 26, 1989
- GTE Products Corporation
- William M. Keeffe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Metal-halide lamp having heat redistribution means
- Patent number 4,859,899
- Issue date Aug 22, 1989
- GTE Products Corporation
- William M. Keeffe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Metal halide discharge lamp for plant growing
- Patent number 4,825,127
- Issue date Apr 25, 1989
- GTE Products Corporation
- Zeya K. Krasko
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Metal-halide lamp having heat redistribution means
- Patent number 4,791,334
- Issue date Dec 13, 1988
- GTE Products Corporation
- William M. Keeffe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Low wattage metal halide lamp
- Patent number 4,709,184
- Issue date Nov 24, 1987
- GTE Products Corporation
- William M. Keeffe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrode alignment and capsule design for single-ended low wattage...
- Patent number 4,636,687
- Issue date Jan 13, 1987
- GTE Products Corporation
- William M. Keeffe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Low wattage metal halide discharge lamp electrically biased to redu...
- Patent number 4,625,141
- Issue date Nov 25, 1986
- GTE Products Corporation
- William M. Keeffe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrode alignment and capsule design for single-ended low wattage...
- Patent number 4,620,130
- Issue date Oct 28, 1986
- GTE Products Corporation
- William M. Keeffe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Low wattage metal halide lamp with inverted domed sleeve
- Patent number 4,620,125
- Issue date Oct 28, 1986
- GTE Products Corporation
- William M. Keeffe
- H01 - BASIC ELECTRIC ELEMENTS

Zeya K. Krasko

Person

Patents Grantslast 30 patents

Scandium halide and alkali metal halide discharge lamp

Metal halide discharge lamp with improved color rendering properties

Metal halide lamp having reflective coating on the arc tube

Metal halide discharge lamp with arc tube temperature equalizing means

Metal-halide lamp having heat redistribution means

Metal halide discharge lamp for plant growing

Metal-halide lamp having heat redistribution means

Low wattage metal halide lamp

Electrode alignment and capsule design for single-ended low wattage...

Low wattage metal halide discharge lamp electrically biased to redu...

Electrode alignment and capsule design for single-ended low wattage...

Low wattage metal halide lamp with inverted domed sleeve