Granted Patent
Utility
US 4,742,358 · App. 06/913,899
Multifrequency rotatable scanning prisms
Inventors:
Peter E. Raber, Lester H. Kosowsky
Patented Case
View Patent ↗
Granted: May 3, 1988
Filed: Oct 1, 1986
Inventors
Peter E. Raber
Lester H. Kosowsky
Assignee (at issue)
UNITED TECHNOLOGIES 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.