Granted Patent
Utility
US 5,312,448 · App. 07/838,307
Medical appliance for stimulating tissue contractions
Inventors:
Kurt Hognelid, Hans Strandberg, Nils Holmstrom
Patented Case
View Patent ↗
Granted: May 17, 1994
Filed: Apr 9, 1992
Inventors
Kurt Hognelid
Hans Strandberg
Nils Holmstrom
Assignee (at issue)
Siemens Aktiengesellschaft
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.