Granted Patent
Utility
US 4,199,706 · App. 05/830,270
Spring-loaded resistor terminal
Inventors:
Valentijn B. Bing, Donald A. Neis
Patented Case
View Patent ↗
Granted: Apr 22, 1980
Filed: Sep 2, 1977
Inventors
Valentijn B. Bing
Donald A. Neis
Assignee (at issue)
Zenith Radio 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.