Granted Patent
Utility
US 5,976,810 · App. 08/793,937
Method of detecting autoantibody present in the serum of rheumatic
Inventors:
Masako Wagatsuma, Michio Kimrua, Hiroshi Watanabe, Fujio Takeuchi
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: May 8, 1997
Inventors
Masako Wagatsuma
Michio Kimrua
Hiroshi Watanabe
Fujio Takeuchi
Assignee (at issue)
Hoechst Pharmaceuticals & Chemicals K.K.
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.