Granted Patent
Utility
US 5,487,341 · App. 08/265,834
Spiker with hole sensing
Inventors:
G. Robert Newman, Edwin H. Reeves
Patented Case
View Patent ↗
Granted: Jan 30, 1996
Filed: Jun 27, 1994
Inventors
G. Robert Newman
Edwin H. Reeves
Assignee (at issue)
HARSCO 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.