Exhibit 3.4 EXCHANGE AGREEMENT AMENDMENT NO. 1 This Amendment no. 1 to Exchange Agreement is made as of this 7 day of June, 2001, by and between GreatBio Technologies, Inc. (f/k/a Idaho Technical, Inc. referred to herein as ITI), a Nevada Corporation...Exchange Agreement • May 1st, 2003 • Biophan Technologies Inc • Surgical & medical instruments & apparatus • New York
Exhibit 2.3 EXCHANGE AGREEMENTExchange Agreement • May 1st, 2003 • Biophan Technologies Inc • Surgical & medical instruments & apparatus • Nevada
