Granted Patent
Utility
US 5,415,612 · App. 08/263,223
Compressible roller
Inventors:
James R. Carlson, Gerald Landl
Patented Case
View Patent ↗
Granted: May 16, 1995
Filed: Jun 21, 1994
Inventors
James R. Carlson
Gerald Landl
Assignee (at issue)
American Roller Company, 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.