Granted Patent
Utility
US 4,375,933 · App. 06/178,769
Clip nut
Inventors:
Donald H. Hassler, Paul V. Pagel
Patented Case
View Patent ↗
Granted: Mar 8, 1983
Filed: Aug 18, 1980
Inventors
Donald H. Hassler
Paul V. Pagel
Assignee (at issue)
Microdot 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.