BISON INSTRUMENTS INC

Q: Jan 31 2014

FY: Oct 31 2013

Q: Jul 31 2013

Q: Apr 30 2013

Q: Jan 31 2013

FY: Oct 31 2012

Q: Jul 31 2012

Q: Apr 30 2012

Q: Jan 31 2012

FY: Oct 31 2011

Q: Jan 31 2012

FY: Oct 31 2011

FY: Oct 31 2011

Q: Jul 31 2011

Q: Apr 30 2011

Q: Jan 31 2011

FY: Oct 31 2010

Q: Jul 31 2010

Q: Apr 30 2010

Q: Jan 31 2010

5.02

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing

4.01

4.01,9.01

Changes in Registrant's Certifying Accountant

4.01,9.01

5.02

4.01,9.01

4.01,9.01

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers

4.01,9.01

8.01

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

No description available

No description available

No description available

No description available

ABDO KENNETH J

ERICKSON ALLAN D

ROSE BARRIE D

Ross Fred E.

Sunshine Eric David

MARTIN LAWRENCE MICHAEL

ERICKSON ALLAN D

Sunshine Eric David

ROSE BARRIE D

MARTIN LAWRENCE MICHAEL

ABDO KENNETH J

Ross Fred E.

KNIGHT SECURITIES L P

Sunshine Eric David

ABDO KENNETH J

ERICKSON ALLAN D

ROSE BARRIE D

MARTIN LAWRENCE MICHAEL

KNIGHT SECURITIES L P

Sunshine Eric David

Notification of the removal from listing and registration of matured redeemed or retired securities

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Letter from the SEC

Letter from the SEC

Letter from the SEC

Letter from the SEC