INDUSTRIAL SCIENTIFIC CORP

Q: Oct 31 1998

Q: Aug 1 1998

Q: May 2 1998

FY: Jan 31 1998

Q: Nov 1 1997

Q: Aug 2 1997

Q: May 3 1997

FY: Jan 25 1997

Q: Oct 26 1996

Q: Sep 10 1996

Q: Jun 7 1996

5,7

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

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

No description available

No description available

Definitive Proxy Statement

Definitive Proxy Statement

Preliminary Proxy Statement

Definitive Proxy Statement

MCELHATTAN KENT D

INDUSTRIAL SCIENTIFIC CORP

INDUSTRIAL SCIENTIFIC CORP

INDUSTRIAL SCIENTIFIC CORP

MCELHATTAN KENT D

INDUSTRIAL SCIENTIFIC CORP

MCELHATTAN KENT D

MCELHATTAN FLORENCE L

MCELHATTAN KENTON E

MCELHATTAN KENT D

MCELHATTAN KENTON E

MCELHATTAN FLORENCE L

MCELHATTAN KENT D

Definitive information statement

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)