Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4593719 | Spool valve A high frequency four-way valve reciprocated by hydromechanical amplifiers has its amplifier volumes volume compensated by passage means in each valve spool end connecting each amplifier volume with the adjacent outlet port. In a modification, there are l... | 06/10/1986 |
