Granted Patent
Utility
US 4,355,993 · App. 06/129,062
Welded wire link roller chain
Inventor:
Ronald F. Homeier
Patented Case
View Patent ↗
Granted: Oct 26, 1982
Filed: Mar 10, 1980
Inventor
Ronald F. Homeier
Assignee (at issue)
PT Components, 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.