Granted Patent
Utility
US 4,800,503 · App. 06/909,222
Method and apparatus for grading fabrics
Inventors:
James Pierce, Jerry F. Mallard
Patented Case
View Patent ↗
Granted: Jan 24, 1989
Filed: Sep 19, 1986
Inventors
James Pierce
Jerry F. Mallard
Assignee (at issue)
Burlington Industries LLC
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.