Granted Patent
Utility
US 6,755,534 · App. 09/939,069
Prismatic optical display
Inventors:
James T. Veligdan, Leonard DeSanto, Calvin Brewster
Patented Case
View Patent ↗
Granted: Jun 29, 2004
Filed: Aug 24, 2001
Inventors
James T. Veligdan
Leonard DeSanto
Calvin Brewster
Assignee (at issue)
Brookhaven Science Associates, LLC
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.