Granted Patent
Utility
US 4,545,283 · App. 06/530,416
Upholstery welt cord
Inventors:
Robert N. Sandberg, Robert E. Montle
Patented Case
View Patent ↗
Granted: Oct 8, 1985
Filed: Sep 8, 1983
Inventors
Robert N. Sandberg
Robert E. Montle
Assignee (at issue)
Sackner Products, Inc.
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.