Micromem (MMTIF) 6-K Micromem Technologies Inc. GSI Westwind complete open loop prototype testing and moves to production first articles

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16
UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of June, 2012

Commission File Number: 0-26005

MICROMEM TECHNOLOGIES INC.
(Translation of registrant's name into English)

777 Bay Street, Suite 1910, Toronto, On M5G 2C8
(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

[ x ] Form 20-F   [] Form 40-F

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): []

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): []

SUBMITTED HEREWITH

Exhibits

99.1	Press Release; Micromem GSI Westwind complete open loop prototype testing and moves to production first articles
99.2	Press Release; Raises Additional Funds
99.3	Press Release; Completes Private Placement

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	MICROMEM TECHNOLOGIES INC.
	(Registrant)
Date: June 19, 2012	By:	/s/ Joseph Fuda
		Joseph Fuda
	Title:	Chief Executive Officer