Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Reciprocating oar with propulsion reversing system

Reciprocating oar with propulsion reversing system

US Patent 7520788 · Granted Apr 21, 2009

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Systems and methods for electrical power generation2025
Shortcut to move a selection into a new document2023
Self charging mug2021
Online cache migration in a distributed caching system using a hybrid migration 2020
Cleaning compositions for removing organic deposits in hard to reach surfaces2011
Cleaning compositions for removing organic deposits in hard to reach surfaces2011
Cleaning compositions for removing organic deposits in hard to reach surfaces2009
Knee pad and method of manufacture2005
Cleaning compositions for removing organic deposits in hard to reach surfaces2004
Knee pad2002
Smoker's pipe cleaner and method of use2001