Granted Patent
Utility
US 5,725,342 · App. 08/623,541
Spreader dowel
Inventor:
Wilfried Gehrer
Patented Case
View Patent ↗
Granted: Mar 10, 1998
Filed: Mar 29, 1996
Inventor
Wilfried Gehrer
Assignee (at issue)
Grass GmbH
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.