Granted Patent
Utility
US 4,083,418 · App. 05/783,418
Beam weighing scale for different weight units
Inventors:
William Y. Hutchinson, Walter P. Kushmuk
Patented Case
View Patent ↗
Granted: Apr 11, 1978
Filed: Mar 31, 1977
Inventors
William Y. Hutchinson
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.