Granted Patent
Utility
US 6,774,502 · App. 10/324,513
Battery powered laptop computer with an implementation for converting keyboard keystroke motion into current for auxiliary recharging of battery
Inventors:
Timothy Alan Dietz, Walid Kobrosly, Nadeem Malik
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Dec 19, 2002
Inventors
Timothy Alan Dietz
Walid Kobrosly
Nadeem Malik
Assignee (at issue)
International Business Machines 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.