Granted Patent
Utility
US 4,557,210 · App. 06/595,427
Twin hull disassemblable rowboat
Inventor:
Jeffrey A. Gerwin
Patented Case
View Patent ↗
Granted: Dec 10, 1985
Filed: Mar 30, 1984
Inventor
Jeffrey A. Gerwin
Assignee (at issue)
Jeffrey A. Gerwin
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.