Granted Patent
Utility
US 5,353,639 · App. 08/063,742
Method and apparatus for sizing multiple tubes
Inventors:
James R. Brookins, James D. Gowan
Patented Case
View Patent ↗
Granted: Oct 11, 1994
Filed: May 20, 1993
Inventors
James R. Brookins
James D. Gowan
Assignee (at issue)
Thermalex, 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.