Active vibration attenuation for implantable microphone

OTOLOGIC, LLC

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ACKNOWLEDGEMENT OF RELEASE OF SECURITY INTEREST Recorded 2009-08-25

OTOLOGIC, LLC

from AFFINITY VENTURES, III, L.P., ALFRED & ROSE ERICKSON TRUST, BELBAS, DEAN, TRUSTEE OF THE DEAN BELBAS REVOCABLE TRUST, BLACKEY, BRENT, BLACKEY, KAREN, BOEHNEN, DAVID L., BR DIRECT MARKETING, BRYNGELSON, CARLYN, BRYNGELSON, JOHN, COBORN, CHRISTOPHER, COBORN, DANIEL G., D&R INVESTMENT PARTNERSHIP, DACK CATTLE TRUST, DORSEY R. GARDNER 2002 TRUST, FRISWOLD, FRED R., GARBUTT, JANE, GARBUTT, JERRY, GRANAT, ELIZABETH W., GRANAT, KENNETH, GRANAT, NANCY J., HANSER, ALBERT, III, HANSER, LAURA H., HANSER, S. ALBERT D., TRUSTEE FOR S. ALBERT D. HANSER REVOCABLE TRUST U/A, HANSER, S. ALBERT D., TRUSTEE FOR SALLEY DODGE HANSER REVOCABLE TRUST U/A, ILLANES, DIANE, ILLANES, EDUARDO, INSULA PROPERTIES, LLC, JAMISON-LENZ, PAMELA, JOSPEY FAMILY LIMITED PARTNERSHIP, KAY L. HARDY LIVING TRUST, KEOUGH, STEVEN J., KING, JERRY, KING, JOHN J., KING, MARTHA, KING, MAUREEN, KRISTO, STEVEN J., LENZ, WILLIAM, LES HARDY, JR. LIVING TRUST, LEWIS, HARRY T., JR., LINDAHL, DENNIS, LYNCH FOUNDATION, THE, LYNCH, CAROLYN, LYNCH, PETER, MCFARLAND, RICHARD D., MELROSE, KENDIRCK, MESLOW, JOHN A., MESLOW, KAREN J., MEYER, GERALD L., OBERMAN, LAWRENCE A., OBERMEYER, JUDITH C., OBERMEYER, PETER E., OLSETH FAMILY GRANDCHILDREN'S EDUCATIONAL TRUST, OLSETH, DALE R., PIPER JAFFREY AS CUSTODIAN, RAHN, NOEL P., RICHARD D. CRAMER REVOCABLE TRUST, ROGNLIN, MARLENE, ROGNLIN, WAYNE, SHLOPAK, GREGORY P., SMITH, KAREN D., SMITH, PATRICK A., SOLON, VLASIE, SR., STERLING TRUST COMPANY, CUSTODIAN, SWENSON, DARLENE K., SWENSON, LESTER J., TOWNSEND, GEORGE, TRIGRAN INVESTMENT, INC., TSCHETTER, RONALD A., WARDEN, RICHARD H., YOST PARTNERSHIP, L.P., ZAWADSKI, BARBARA B., ZAWADSKI, STEVEN J.

ACKNOWLEDGEMENT OF RELEASE OF SEC. INT. Recorded 2009-08-24

AFFINITY VENTURES III, L.P., INSULA PROPERTIES, LLC, STERLING TRUST COMPANY, CUSTODIAN, DEAN BELBAS, TRUSTEE OF THE DEAN BELBAS REVOCABLE TRUST, BRENT & KAREN BLACKEY, BOEHNEN, DAVID L., JOHN & CARLYN BRYNGELSON, RICHARD D. CRAMER REVOCABLE TRUST, DACK CATTLE TRUST, BR DIRECT MARKETING, D & R INVESTMENT PARTNERSHIP, ALFRED & ROSE ERICKSON TRUST, FRISWOLD, FRED R., JERRY & JANE GARBUTT, DORSEY R. GARDNER 2002 TRUST, KENNETH & NANCY J. GRANAT, GRANAT ELIZABETH W., LES HARDY, JR. LIVING TRUST, KAY L. HARDY LIVING TRUST, JOSPEY FAMILY LIMITED PARTNERSHIP, KEOUGH, STEVEN J., KING, JOHN J., KING, MAUREEN, KRISTO, STEVEN J., PIPER JAFFREY AS CUSTODIAN, WILLIAM LENZ & PAMELA JAMISON-LENZ, LEWIS, JR., HARRY T., LINDAHL, DENNIS M., MCFARLAND, RICHARD D., OBERMAN, LAWRENCE A., JOHN A. &KAREN J. MESLOW, MEYER, GERALD L., PETER E. & JUDITH C. OBERMEYER, OLSETH, DALE R., OLSETH FAMILY GRANDCHILDREN'S EDUCATIONAL TRUST, RAHN, NOEL P., WAYNE & MARLENE ROGNLIN, PATRICK A. & KAREN D. SMITH, LESTER J. & DARLENE K. SWENSON, TOWNSEND, GEORGE, TRIGRAN INVESTMENTS, INC., TSCHETTER RONALD A., WARDEN, RICHARD H., YOST PARTNERSHIP, L.P., STEVEN J. & BARBARA B. ZAWADSKI

from OTOLOGICS, LLC

SECURITY INTEREST Recorded 2005-07-08

OTOLOGICS, LLC

from MILLER III, SCOTT ALLAN, WALDMANN, BERND

ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded 2005-04-29