Granted Patent
Utility
US 4,892,535 · App. 07/082,725
Absorbent pad and method and apparatus for making the same
Inventors:
Sten Bjornberg, Ove Ahlstrand
Patented Case
View Patent ↗
Granted: Jan 9, 1990
Filed: Aug 7, 1987
Inventors
Sten Bjornberg
Ove Ahlstrand
Assignee (at issue)
Landstingens Inkopscentral, Lic, Ekonomisk Forening
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.