Assignors: PETTERSEN, KURT Publication of US20120036822A1 publication Critical patent/US20120036822A1/en Application granted granted Critical Publication of US8381504B2 publication Critical patent/US8381504B2/en Status Active legal-status Critical Current Anticipated expiration legal-status Critical Links Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority claimed from NO20101132 external-priority Application filed by Morenot Dyrkorn AS filed Critical Morenot Dyrkorn AS Assigned to MORENOT DYRKORN AS reassignment MORENOT DYRKORN AS ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Original Assignee Morenot Dyrkorn AS Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) ( en Inventor Kurt PETTERSEN Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Granted Application number US13/204,887 Other versions US8381504B2