Granted Patent
Utility
US 6,014,092 · App. 07/990,854
Key mover
Inventors:
Paul V. Darbee, Don G. DuPerault, Qiuju Luo, Kimthoa Thi Nguyen
Patented Case
View Patent ↗
Granted: Jan 11, 2000
Filed: Dec 11, 1992
Inventors
Paul V. Darbee
Don G. DuPerault
Qiuju Luo
Kimthoa Thi Nguyen
Assignee (at issue)
Universal Electronics Inc.
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.