Granted Patent
Utility
US 5,118,376 · App. 07/031,557
Procedure of incorporation of powdery products within a fiber padding and device for its operation
Inventors:
Raymond Pigneul, Remy Ruppel
Patented Case
View Patent ↗
Granted: Jun 2, 1992
Filed: Feb 24, 1987
Inventors
Raymond Pigneul
Remy Ruppel
Assignee (at issue)
Kaysersberg, S.A.
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.