Granted Patent
Utility
US 4,800,237 · App. 06/474,696
Multi-service preset access unit for cellular raceway
Inventor:
Gregory L. Mohr
Patented Case
View Patent ↗
Granted: Jan 24, 1989
Filed: Mar 11, 1983
Inventor
Gregory L. Mohr
Assignee (at issue)
BUTLER MANUFACTURING COMPANY
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.