Granted Patent
Utility
US 5,203,939 · App. 07/741,053
Process for production of internally bonded sewing threads
Inventors:
Philip Sperling, Robert McNaught Gailey, Leslie A. Bathie, A. Edwin Suttle
Patented Case
View Patent ↗
Granted: Apr 20, 1993
Filed: Aug 5, 1991
Inventors
Philip Sperling
Robert McNaught Gailey
Leslie A. Bathie
A. Edwin Suttle
Assignee (at issue)
Coats Viyella PLC
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.