Granted Patent
Utility
US 4,903,597 · App. 07/261,501
Printing sleeves and methods for mounting and dismounting
Inventors:
Carlton A. Hoage, Mark A. Borski
Patented Case
View Patent ↗
Granted: Feb 27, 1990
Filed: Oct 24, 1988
Inventors
Carlton A. Hoage
Mark A. Borski
Assignee (at issue)
LaValley Industries, LLC
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.