Granted Patent
Utility
US 5,897,732 · App. 08/887,501
Method and apparatus for the manufacture of a linear wrap, thermally insulated tube
Inventors:
David L. Schlameus, Donald W. Hirsch
Patented Case
View Patent ↗
Granted: Apr 27, 1999
Filed: Jul 2, 1997
Inventors
David L. Schlameus
Donald W. Hirsch
Assignee (at issue)
Thermon Manufacturing Company
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.