Granted Patent
Utility
US 4,493,498 · App. 06/431,517
Knotter with an improved Geneva mechanism
Inventor:
Marc G. Vansteelant
Patented Case
View Patent ↗
Granted: Jan 15, 1985
Filed: Sep 30, 1982
Inventor
Marc G. Vansteelant
Assignee (at issue)
Sperry Corp.
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.