Francis B. Makar Jr.

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Beverly, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
End seal manufacture for ceramic arc tubes
- Patent number 5,178,808
- Issue date Jan 12, 1993
- Frank B. Makar
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
End seal for ceramic arc discharge tubes
- Patent number 4,803,403
- Issue date Feb 7, 1989
- GTE Products Corporation
- Francis B. Makar
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Arc discharge lamp having ceramic arc tube
- Patent number 4,295,075
- Issue date Oct 13, 1981
- GTE Products Corporation
- Edward A. Webb
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of sealing alumina arc tube
- Patent number 4,147,952
- Issue date Apr 3, 1979
- GTE Sylvania Incorporated
- Edward A. Webb
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method of sealing alumina arc tube
- Patent number 3,986,236
- Issue date Oct 19, 1976
- GTE Sylvania Incorporated
- Nikolaos Barakitis
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES