Granted Patent
Utility
US 5,161,292 · App. 07/718,387
Rail anchor wrench
Inventors:
Andrew G. Kurtyak, Randy D. Cormode, Ronald Schoenfelder
Patented Case
View Patent ↗
Granted: Nov 10, 1992
Filed: Jun 20, 1991
Inventors
Andrew G. Kurtyak
Randy D. Cormode
Ronald Schoenfelder
Assignee (at issue)
Unit Rail Anchor 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.