Granted Patent
Utility
US 5,044,581 · App. 07/637,659
Gutter guard screen support clip
Inventor:
Robert D. Dressler
Patented Case
View Patent ↗
Granted: Sep 3, 1991
Filed: Jan 7, 1991
Inventor
Robert D. Dressler
Assignee (at issue)
Alumax Aluminum Corp.
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.