Hood; Frederick E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hood; Frederick E..The latest application filed is for "sailboat rotatable keel appendage".
- Hood; Frederick E. - Portsmouth RI
- Hood; Frederick E. - Marblehead MA
| Patent | Date |
|---|---|
| Sailboat rotatable keel appendage Grant 6,796,259 - Hood , et al. September 28, 2 | 2004-09-28 |
| Sailboat rotatable keel appendage App 20030106477 - Hood, Frederick E. ; et al. | 2003-06-12 |
| Trailerable water ballasted sailboat Grant 4,217,845 - Hood , et al. August 19, 1 | 1980-08-19 |
| Roll-furling mainsail Grant 4,059,063 - Hood , et al. November 22, 1 | 1977-11-22 |
| Halyard rig for roll-furling mainsail Grant 4,057,023 - Hood , et al. November 8, 1 | 1977-11-08 |
| Jib Sail Raising System Grant 3,658,025 - Hood , et al. April 25, 1 | 1972-04-25 |
| Jib-furling Stay Grant 3,611,969 - Hood October 12, 1 | 1971-10-12 |
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