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"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
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| Number | Title | Issue Date |
| D633972 | Surf wax | 03/08/2011 |
| D631927 | Surfboard fin | 02/01/2011 |
| D593176 | Fin for a water sports board | 05/26/2009 |
| D570945 | Pair of side surfboard fins | 06/10/2008 |
| D568429 | Surfboard fins | 05/06/2008 |
| D502522 | Fin insert for a surfboard | 03/01/2005 |
| 5480331 | Flexible surfboard fin A flexible fin for surfboards, sailboards and other watercraft comprises a thin core sheet made of laminated fiberglass sandwiched between two slabs of closed-cell polyurethane foam. The flexible fin provides for sharper turns while increasing the buoyanc... | 01/02/1996 |
| 5344349 | Surfacing marine drive with contoured skeg A marine drive (10) has two counter-rotating surface operating propellers (12 and 14). The upper end (302) of the leading edge (288) of the skeg (194) is spaced forwardly of the lower end (310) of the trailing edge (306) of the skeg (194) by a horizontal ... | 09/06/1994 |
| 5030151 | Flanged fin for watercraft The invention relates to fins for watercraft such as surfboards, surf-skis, sailboards, kayaks, canoes, skiffs, water-skis, and also "soft" plastic watercraft such as polyethylene boards. These fins have an apertured, basal flange; each fin being affixabl... | 07/09/1991 |
| 4789368 | Rescue fin A rescue fin is a device for repairing a broken skeg box on a sailboard without the need to take the sailboard to a repair shop. The rescue fin is strapped to the rear part of the sailboard so that the skeg box of the rescue fin is positioned above the br... | 12/06/1988 |
| 4782779 | Barge lattice skegs A skeg unit mounted on a raked barge stern counter is a box lattice structure including an athwartships row of upright generally parallel vanes having their upper ends connected by an athwartships upper horizontal tie plate and their lower ends connected ... | 11/08/1988 |
| 4733496 | Pivoting surfboard fin A novel fin for surfboards and watercraft that includes a pivoting rudder-like section that swings out when a turn is commenced, enhancing the maneuvrability of the surfboard by reducing the resistance of the fin as it moves sidewards through the water in... | 03/29/1988 |
| 4325154 | Surfboard fin A surfboard fin is disclosed which is formed of shaped plastic opposed members which are joined and sealed to form a hollow light-weight buoyant construction, which provides an external contour to reduce drag in surfboarding. The novel profiled plastic su... | 04/20/1982 |
