Edward A. Madej

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Verona, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Compression coupling
- Patent number 4,427,219
- Issue date Jan 24, 1984
- Robroy Industries
- Edward A. Madej
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Pipe hanger
- Patent number 4,417,711
- Issue date Nov 29, 1983
- Robroy Industries
- Edward A. Madej
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Beam clamp
- Patent number 4,397,437
- Issue date Aug 9, 1983
- Robroy Industries
- Edward A. Madej
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Cable connector
- Patent number 4,262,409
- Issue date Apr 21, 1981
- Robroy Industries
- Edward A. Madej
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER