EXHIBIT 4.1 STOCK PURCHASE AGREEMENT THIS STOCK PURCHASE AGREEMENT (this "Agreement") is made as of February 29, 2000 between Bioject Medical Technologies, Inc., an Oregon corporation (the "Company"), and Amgen Inc., a Delaware corporation (the...Stock Purchase Agreement • March 20th, 2000 • Bioject Medical Technologies Inc • Surgical & medical instruments & apparatus • California
Contract Type FiledMarch 20th, 2000 Company Industry Jurisdiction