Granted Patent
Utility
US 4,537,542 · App. 06/602,224
Wedge-type low profile fastener
Inventors:
John D. Pratt, Raymond Ramirez
Patented Case
View Patent ↗
Granted: Aug 27, 1985
Filed: Apr 19, 1984
Inventors
John D. Pratt
Raymond Ramirez
Assignee (at issue)
Monogram Industries 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.