Granted Patent
Utility
US 4,887,387 · App. 07/350,894
Device for collecting sap
Inventor:
Dominique Lesquir
Patented Case
View Patent ↗
Granted: Dec 19, 1989
Filed: May 12, 1989
Inventor
Dominique Lesquir
Assignee (at issue)
IPL INC.
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.