Granted Patent
Utility
US 6,636,201 · App. 09/579,584
Acoustic touchscreen having waveguided reflector arrays
Inventors:
Paulo I. Gomes, Joel C. Kent, James L. Aroyan, Shigeki Kambara
Patented Case
View Patent ↗
Granted: Oct 21, 2003
Filed: May 26, 2000
Inventors
Paulo I. Gomes
Joel C. Kent
James L. Aroyan
Shigeki Kambara
Assignee (at issue)
ELO TouchSystems, 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.