Granted Patent
Utility
US 6,648,052 · App. 09/870,477
Sectional door with panel aligning abutment
Inventors:
Gustavo Marzari Chiesa, Renzo Boschello
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: Jun 1, 2001
Inventors
Gustavo Marzari Chiesa
Renzo Boschello
Assignee (at issue)
Brement Brevetti Metecno SpA
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.