Granted Patent
Utility
US 6,550,289 · App. 09/707,265
Double-layer sock having inverted, side-by-side toe closure seams
Inventor:
David B. Higgins
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Nov 6, 2000
Inventor
David B. Higgins
Assignee (at issue)
Knit-Rite, 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.