Granted Patent
Utility
US 6,782,561 · App. 10/366,058
Standardized recreational vehicle sanitary system
Inventors:
James A. Sigler, Edward McKiernan
Patented Case
View Patent ↗
Granted: Aug 31, 2004
Filed: Feb 12, 2003
Inventors
James A. Sigler
Edward McKiernan
Assignee (at issue)
BellandTechnology AG
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.