Granted Patent
Utility
US 4,343,421 · App. 06/183,289
Tensionless fabric feeding apparatus
Inventors:
John J. Assmann, James L. Knox, Martin J. Kueny, James W. Smith
Patented Case
View Patent ↗
Granted: Aug 10, 1982
Filed: Sep 2, 1980
Inventors
John J. Assmann
James L. Knox
Martin J. Kueny
James W. Smith
Assignee (at issue)
Interco Incorporated
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.