Granted Patent
Utility
US 6,061,372 · App. 09/107,870
Two-level semiconductor laser driver
Inventors:
William T. Plummer, Marc T. Thompson, Douglas S. Goodman, Peter P. Clark
Patented Case
View Patent ↗
Granted: May 9, 2000
Filed: Jun 30, 1998
Inventors
William T. Plummer
Marc T. Thompson
Douglas S. Goodman
Peter P. Clark
Assignee (at issue)
Polaroid 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.