Granted Patent
Utility
US 4,556,594 · App. 06/651,739
Sewing machine frame comprising oriented reinforced fibers
Inventors:
Robert Sedlatschek, Leo E. McGann
Patented Case
View Patent ↗
Granted: Dec 3, 1985
Filed: Sep 18, 1984
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.