§
Luxuse
Patent Intelligence
Sign In
← Back to Companies

WM COFFMAN RESOURCES LLC

WM COFFMAN
Active Patents
0
Total Holdings
1

Patent Holdings

Filter in Explorer →
Patent No. Title Status Filing Date Grant Date Claims Actions
US7178791B1 Adjustable staircase rail system Expired / Lapsed 2002-04-09 2007-02-20 19 Details