EXHIBIT 10.1 FOURTH AMENDMENT AND MODIFICATION OF REVOLVING LINE OF CREDIT PROMISSORY NOTE, LOAN AGREEMENT AND REAFFIRMATION OF GUARANTIES This Fourth Amendment and Modification of Revolving Line of Credit Promissory Note, Loan Agreement and...Revolving Line of Credit Promissory Note, Loan Agreement • January 11th, 2006 • Wsi Industries, Inc. • Metalworkg machinery & equipment • Minnesota
