Granted Patent
Utility
US 4,134,213 · App. 05/743,089
Height measuring device
Inventor:
Walter P. Kushmuk
Patented Case
View Patent ↗
Granted: Jan 16, 1979
Filed: Nov 18, 1976
Inventor
Walter P. Kushmuk
Assignee (at issue)
Continental Scale 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.