Granted Patent
Utility
US 6,071,156 · App. 09/183,455
Surface vessel with a fully submerged waterjet propulsion system
Inventors:
Gregory P. Platzer, Francesco Lanni
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: Oct 30, 1998
Inventors
Gregory P. Platzer
Francesco Lanni
Assignee (at issue)
Bird-Johnson 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.