Granted Patent
Utility
US 6,594,965 · App. 09/934,240
Spacer for providing drainage passageways within building structures
Inventor:
Michael S. Coulton
Patented Case
View Patent ↗
Granted: Jul 22, 2003
Filed: Aug 21, 2001
Inventor
Michael S. Coulton
Assignee (at issue)
BENJAMIN OBDYKE INCORPORATED
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.