Granted Patent
Utility
US 6,557,318 · App. 09/850,015
Expandable link system and method of making same
Inventor:
Donald G. Graber
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: May 7, 2001
Inventor
Donald G. Graber
Assignee (at issue)
Trim Trends, Co., 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.