Granted Patent
Utility
US 4,459,026 · App. 06/384,713
Viewing and measuring apparatus
Inventor:
James R. Pekelsky
Patented Case
View Patent ↗
Granted: Jul 10, 1984
Filed: Jun 3, 1982
Inventor
James R. Pekelsky
Assignee (at issue)
Canadian Patents and Development Limited
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.