Richard S. Colombero

Follow

Person

Sacramento, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Multi-panel hollow door structures and manufacturing methods employ...
- Patent number 6,170,224
- Issue date Jan 9, 2001
- Greif Bros. Corporation
- George C. Boyse
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS