Granted Patent
Utility
US 6,420,044 · App. 09/547,795
Stain-resistant polyamide composition and fibers and method of production thereof
Inventor:
Matthew Studholme
Patented Case
View Patent ↗
Granted: Jul 16, 2002
Filed: Apr 12, 2000
Inventor
Matthew Studholme
Assignee (at issue)
Prisma Fibers, 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.