Mark S Young

Follow

Person

Chassel, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Portable multi-section activity floor and method of manufacture and...
- Patent number 6,173,548
- Issue date Jan 16, 2001
- Douglas J. Hamar
- E04 - BUILDING
Information Patent Grant
Multi-panel activity floor with fixed hinge connections
- Patent number 5,987,839
- Issue date Nov 23, 1999
- Douglas J Hamar
- E04 - BUILDING