Robert G. Visalli

Follow

Person

Murrysville, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Composite polyethylene and transition valve
- Patent number 5,586,749
- Issue date Dec 24, 1996
- Kerotest Manufacturing Corp.
- Richard W. Conley
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve stem and valve disc connection for a diaphragm valve
- Patent number 4,231,549
- Issue date Nov 4, 1980
- Kerotest Manufacturing Corp.
- Robert G. Visalli
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Diaphragm valve having a Belleville-spring assembly
- Patent number 4,151,979
- Issue date May 1, 1979
- Kerotest Manufacturing Corp.
- Robert G. Visalli
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...