Granted Patent
Utility
US 4,622,791 · App. 06/714,365
Base molding
Inventors:
Melvin W. Cook, Carl J. Schmidt
Patented Case
View Patent ↗
Granted: Nov 18, 1986
Filed: Mar 21, 1985
Inventors
Melvin W. Cook
Carl J. Schmidt
Assignee (at issue)
Masonite 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.