Michelle Douma

Follow

Person

Kingston, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Plug for a container
- Patent number D670471
- Issue date Nov 6, 2012
- Queen's University
- R. Stephen Brown
- D34 - Material or article handling equipment
Information Patent Grant
Container
- Patent number D656287
- Issue date Mar 20, 2012
- Queen's University
- R. Stephen Brown
- D34 - Material or article handling equipment
Information Patent Grant
Container lid
- Patent number D645221
- Issue date Sep 13, 2011
- Queen's University
- R. Stephen Brown
- D34 - Material or article handling equipment