Granted Patent
Utility
US 6,556,487 · App. 09/871,172
Non-volatile static memory cell
Inventors:
Nirmal Ratnakumar, Cathal G. Phelan, Kenelm G. D. Murray
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: May 31, 2001
Inventors
Nirmal Ratnakumar
Cathal G. Phelan
Kenelm G. D. Murray
Assignee (at issue)
Cypress Semiconductor Corporation
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.