Exhibit 4.2 AMENDMENT NO. 1 TO THE AMENDED AND RESTATED REDEEMABLE CLASS B WARRANT AGREEMENTRedeemable Class B Warrant Agreement • October 18th, 2002 • Hypertension Diagnostics Inc /Mn • Surgical & medical instruments & apparatus
Contract Type FiledOctober 18th, 2002 Company Industry
AMENDMENT NO. 3 TO THE REDEEMABLE CLASS B WARRANT AGREEMENTRedeemable Class B Warrant Agreement • July 25th, 2002 • Hypertension Diagnostics Inc /Mn • Surgical & medical instruments & apparatus • Minnesota
Contract Type FiledJuly 25th, 2002 Company Industry Jurisdiction