Granted Patent
Utility
US 4,214,036 · App. 05/939,655
Channel-shaped sealing, trimming and guiding strips
Inventor:
Robert G. Bright
Patented Case
View Patent ↗
Granted: Jul 22, 1980
Filed: Sep 5, 1978
Inventor
Robert G. Bright
Assignee (at issue)
Draftex Development A.G.
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.