Granted Patent
Utility
US 5,352,154 · App. 08/145,930
Metal roof ventilation system
Inventors:
Martin J. Rotter, William W. Collins
Patented Case
View Patent ↗
Granted: Oct 4, 1994
Filed: Nov 1, 1993
Inventors
Martin J. Rotter
William W. Collins
Assignees (at issue)
Martin J. Rotter
Building Materials Corporation of America
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.