Ray R. Petersen

Follow

Person

Huntingdon Valley, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Pump impeller assembly with anti-rotation device
- Patent number 4,363,603
- Issue date Dec 14, 1982
- Met-Pro Corporation
- Ray R. Petersen
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...