Granted Patent
Utility
US 5,104,013 · App. 07/598,857
Caulking tube nozzle adaptor adjustable for different caulk bead sizes
Inventor:
Donald R. Hawley
Patented Case
View Patent ↗
Granted: Apr 14, 1992
Filed: Oct 15, 1990
Inventor
Donald R. Hawley
Assignee (at issue)
Myro, 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.