Exhibit 10.81 [Calypte Biomedical Letterhead] October 31, 2000 Dr. Howard B. Urnovitz Chronix Biomedical Corporation 755 Tennesee Street #3 San Francisco, CA 94107 Dear Howard: The purpose of this letter is to amend certain provisions of your January...Employment Agreement • March 5th, 2001 • Calypte Biomedical Corp • Laboratory analytical instruments
Exhibit 10.80 [Calypte Biomedical Letterhead] November 14, 2000 William Boeger Box 2706 Sun Valley, ID 83353 Re: Extension of Your Consulting Agreement With Calypte --------------------------------------------------- Dear Bill: Upon your signature at...Consulting Agreement • March 5th, 2001 • Calypte Biomedical Corp • Laboratory analytical instruments
Exhibit 10.82 CALYPTE BIOMEDICAL CORPORATION 1265 Harbor Bay Parkway Alameda, CA 94502 January 9, 2001 David Collins PMB # 224 774 Mays Blvd., # 10 Incline Village, NV 89451 Re: Consulting Agreement With Calypte --------------------------------- Dear...Consulting Agreement • March 5th, 2001 • Calypte Biomedical Corp • Laboratory analytical instruments • California
December 12, 2000 Ms. Nancy E. Katz President & Chief Operating Officer Calypte Biomedical Corporation 1265 Harbor Bay Parkway Alameda, CA 94502 RE: DISTRIBUTION AGREEMENT DATED SEPTEMBER 9, 1999 BETWEEN CALYPTE BIOMEDICAL CORPORATION AND...Distribution Agreement • March 5th, 2001 • Calypte Biomedical Corp • Laboratory analytical instruments
