Granted Patent
Utility
US 4,257,539 · App. 06/093,465
Universal body variable shroud dispenser
Inventors:
John R. Cary, Theodore J. Humphrey, Walter H. Wesner
Patented Case
View Patent ↗
Granted: Mar 24, 1981
Filed: Nov 13, 1979
Inventors
John R. Cary
Theodore J. Humphrey
Walter H. Wesner
Assignee (at issue)
The APA 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.