You do not have permission to edit this page, for the following reason:
The action you have requested is limited to users in the group: Users.
This patent identified because google patents said it was related to another patent, on propellers.
* Tech classification [[CPC B63H1/38]] Propulsive elements directly acting on water characterised solely by flotation properties, e.g. drums
* South Lebanon, Warren county, Ohio, US
=== Sources ===
Save page Show preview Show changes Cancel