AVECOR CARDIOVASCULAR INC

Q: Sep 30 1998

Q: Jun 30 1998

Q: Jun 30 1998

Q: Mar 31 1998

FY: Dec 31 1997

Q: Sep 30 1997

Q: Jun 30 1997

Q: May 14 1997

FY: Dec 31 1996

Q: Sep 30 1996

Q: Aug 14 1996

Q: May 15 1996

5,7

Current report pursuant to Section 13 or 15(d) (amendment)

Current report pursuant to Section 13 or 15(d)

Certification of termination of registration of a class of securities (Section 12(g))

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

No description available

Definitive Proxy Statement

Definitive Proxy Statement

AMVESCAP PLC \GA\

AMVESCAP PLC \GA\

PERKINS CAPITAL MANAGEMENT INC ET AL

AMVESCAP PLC \GA\

AMVESCAP PLC \GA\

AMVESCAP PLC \GA\

PERKINS CAPITAL MANAGEMENT INC ET AL

KOPP INVESTMENT ADVISORS INC

AMVESCAP PLC \GA\

AMVESCAP PLC \GA\

AMVESCAP PLC \GA\

MEDTRONIC INC

KOPP INVESTMENT ADVISORS INC

PRICE T ROWE ASSOCIATES INC /MD/

CHANCELLOR LGT ASSET MANAGEMENT INC

CHANCELLOR LGT ASSET MANAGEMENT INC

PRICE T ROWE ASSOCIATES INC /MD/

CHANCELLOR LGT ASSET MANAGEMENT INC

FIRST UNION CORP

KOPP INVESTMENT ADVISORS INC