Granted Patent
Utility
US 4,037,525 · App. 05/600,491
Signature stacker employing swingable intercept means driven in a non-linear fashion
Inventors:
Christer A. Sjogren, Ralph H. Backman
Patented Case
View Patent ↗
Granted: Jul 26, 1977
Filed: Jul 30, 1975
Inventors
Christer A. Sjogren
Ralph H. Backman
Assignee (at issue)
EDS CO., Ltd
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.