Granted Patent
Utility
US 4,505,212 · App. 06/500,023
Shape forming and quilting apparatus
Inventor:
Michael Schwarzberger
Patented Case
View Patent ↗
Granted: Mar 19, 1985
Filed: Jun 1, 1983
Inventor
Michael Schwarzberger
Assignee (at issue)
ABM Industries Incorporated
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.