Granted Patent
Utility
US 4,493,808 · App. 06/384,846
Method of molding a sewing machine frame of fiber reinforced composition
Inventors:
Robert Sedlatschek, Leo E. McGann
Patented Case
View Patent ↗
Granted: Jan 15, 1985
Filed: Jun 4, 1982
Inventors
Robert Sedlatschek
Leo E. McGann
Assignee (at issue)
The Singer Company Limited
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.