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Class Information
Number: 405/214
Name: Hydraulic and earth engineering > Marine structure or fabrication thereof > Structure protection > Fender > Having coil spring
Description: Method or apparatus wherein a helix of resilient material is provided to dampen vessel impact.










Patents under this class:

Patent Number Title Of Patent Date Issued
7237502 Boat bumper Jul. 3, 2007
6513449 Marine docking device Feb. 4, 2003
4286538 Multipurpose floating structure Sep. 1, 1981











 
 
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