Granted Patent
Utility
US 4,599,499 · App. 06/759,541
Fast impulse timer drive mechanism
Inventor:
John P. Duve
Patented Case
View Patent ↗
Granted: Jul 8, 1986
Filed: Jul 26, 1985
Inventor
John P. Duve
Assignee (at issue)
Controls Corporation of America
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.