Granted Patent
Utility
US 5,318,814 · App. 08/043,093
Inhibiting the settling of barnacles
Inventors:
Sharon J. Elliott, Virginia Piermattie, Stanley A. Rice, Theodore R. Wessendorf
Patented Case
View Patent ↗
Granted: Jun 7, 1994
Filed: Apr 5, 1993
Inventors
Sharon J. Elliott
Virginia Piermattie
Stanley A. Rice
Theodore R. Wessendorf
Assignee (at issue)
Aristech Chemical Company
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.