Oswald A. Walkes

Follow

Person

Northridge, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Free piston pump
- Patent number 4,410,304
- Issue date Oct 18, 1983
- HR Textron Inc.
- Raymond A. Bergloff
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...