Granted Patent
Utility
US 6,684,581 · App. 09/772,611
Roll type roof ridge ventilator and associated method
Inventors:
Larry D. Robinson, Derick Dry
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Jan 30, 2001
Inventors
Larry D. Robinson
Derick Dry
Assignee (at issue)
SOLAR LTD.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.