Granted Patent
Utility
US 5,765,808 · App. 08/762,184
Laying aid for parquet flooring
Inventors:
Ernst Butschbacher, Hans Roesch
Patented Case
View Patent ↗
Granted: Jun 16, 1998
Filed: Dec 9, 1996
Inventors
Ernst Butschbacher
Hans Roesch
Assignee (at issue)
Bessey & Sohn 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.