Granted Patent
Utility
US 4,656,785 · App. 06/851,122
Weatherseal
Inventor:
Charles Yackiw
Patented Case
View Patent ↗
Granted: Apr 14, 1987
Filed: Apr 11, 1986
Inventor
Charles Yackiw
Assignee (at issue)
Schlegel Corporation
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.