The manufacturer identification code (MIC) of your craft identification number (CIN or HIN) is RKF. This MIC (RKF) stands for the company name Robert B Kauffman which is currently Out of Business. This boat manufacturer code has other company names (RKF sometimes goes by these name(s) if applicable: Kauffman, Robert B, , , 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 (Robert B Kauffman) is owned by and is located at Box 138 in E Stroudsburg state of Pa. It manufactured this vessel and placed your HIN or CIN on the hull. This Boat maker is not owned by a parent company. Robert B Kauffman has started making boats, yachts and other watercraft as of and went out of business on (1/28/1980) in the following country: USA.
More details at the US Coast Guard.