Granted Patent
Utility
US 6,187,992 · App. 09/266,475
Transgenic mouse having a disrupted amyloid precursor protein gene
Inventors:
Hui Zheng, Howard Y. Chen, Myrna E. Trumbauer, Leonardus H. T. Van Der Ploeg, Guy R. Seabrook, Dalip J. S. Sirinathsinghji
Patented Case
View Patent ↗
Granted: Feb 13, 2001
Filed: Mar 11, 1999
Inventors
Hui Zheng
Howard Y. Chen
Myrna E. Trumbauer
Leonardus H. T. Van Der Ploeg
Guy R. Seabrook
Dalip J. S. Sirinathsinghji
Assignees (at issue)
MERCK & CO., INC.
Merck Frosst Canada Ltd.
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.