Doug Purdy

Follow

Person

Edina, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Overmolded rotor
- Patent number 8,444,405
- Issue date May 21, 2013
- Matthew Hollister
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
OVERMOLDED ROTOR
- Publication number 20100080723
- Publication date Apr 1, 2010
- Matthew Hollister
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES