John R. Barrett

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Wayland, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of fabricating a PbS-PbSe IR detector array
- Patent number 4,689,246
- Issue date Aug 25, 1987
- Itek Corporation
- John R. Barrett
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Joule-Thomson cryostat having a chemically-deposited infrared detec...
- Patent number 4,682,032
- Issue date Jul 21, 1987
- Itek Corporation
- John R. Barrett
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
PbS-PbSe IR detector arrays
- Patent number 4,602,158
- Issue date Jul 22, 1986
- Itek Corporation
- John R. Barrett
- H01 - BASIC ELECTRIC ELEMENTS