Granted Patent
Utility
US 4,553,713 · App. 06/506,301
Coil winding control guide
Inventors:
Richard Hecht, Robert G. Seaverns
Patented Case
View Patent ↗
Granted: Nov 19, 1985
Filed: Jun 21, 1983
Inventors
Richard Hecht
Robert G. Seaverns
Assignee (at issue)
Gasway Corporation
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.