User:Cbernhar

From Bill Goodwine's Wiki

Revision as of 15:51, 24 January 2011 by Cbernhar (talk | contribs) (→Homework 1: Finding a Patent)

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Jump to navigation Jump to search

Homework 1: Finding a Patent

Patent 4781139: One man manual boat hull cleaning device

Date issued: August 18, 1986

- The idea behind this patent was to create a device which could clean the bottom of a boat hull without necessitating lifting the boat out of the water or diving underneath while it is still in the water.

Retrieved from "https://controls.ame.nd.edu/mediawiki/index.php?title=User:Cbernhar&oldid=1031"

Navigation menu