The manufacturer identification code (MIC) of your craft identification number (CIN or HIN) is LSN. This MIC (LSN) stands for the company name Lanphere & Son Marine which is currently Out of Business. This boat manufacturer code has other company names (LSN sometimes goes by these name(s) if applicable: , , , or ). This could happen if the US Coast Guard reissued the MIC to a new company after the first went out of business.
This company (Lanphere & Son Marine) is owned by J Lamphere Jr and is located at Po Box 1195 in Westport state of Wa. It manufactured this vessel and placed your HIN or CIN on the hull. This Boat maker is not owned by a parent company. Lanphere & Son Marine has started making boats, yachts or other watercraft as of 7/14/1980 and went out of business on (11/14/1988) in the following country: USA.
More details at the US Coast Guard.
The US Coast guard provides this comment about this watercraft manufacturer: Oob Per Mso Sea 11/88.