Granted Patent
Utility
US 6,312,185 · App. 09/402,938
Tension rod anchor having a sealing structure
Inventor:
Peter Ernst
Patented Case
View Patent ↗
Granted: Nov 6, 2001
Filed: Feb 1, 2000
Inventor
Peter Ernst
Assignee (at issue)
DEHA Ankersysteme GmbH & Co. KG
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.