Exhibit 10.9

U.S. INTELLECTUAL PROPERTY SECURITY AGREEMENT SUPPLEMENT

This U.S. INTELLECTUAL PROPERTY SECURITY AGREEMENT SUPPLEMENT (as amended, amended and restated, supplemented or otherwise modified from time to time, the “ U.S. IP Security Agreement Supplement ”) dated as of April 30, 2012, is made by the Persons listed on the signature pages hereof (collectively, the “ New Grantors ”) in favor of Bank of America, N.A. (“ Bank of America ”), as agent (the “ Agent ”) for the Secured Parties (as defined in the Credit Agreement referred to below).

WHEREAS, United Rentals (North America), Inc., a Delaware corporation (the “ Company ”) and parent company of each of the New Grantors, is a party to (i) the Amended and Restated Credit Agreement, dated as of October 14, 2011 (as amended, restated, extended, supplemented or otherwise modified in writing from time to time, the “ Credit Agreement ”), among United Rentals, Inc., a Delaware corporation (“ Holdings ”), the Company, the other U.S. Subsidiary Borrowers named therein, United Rentals of Canada, Inc., a corporation amalgamated under the laws of the Province of Ontario, United Rentals Financing Limited Partnership, a Delaware limited partnership, the Lenders from time to time party thereto, and Bank of America, N.A., as Agent, (ii) the Amended and Restated U.S. Security Agreement dated as of October 14, 2011 (as amended, amended and restated, supplemented or otherwise modified from time to time, the “ Security Agreement ”) made by the Grantors from time to time party thereto in favor of the Agent for the benefit of the Secured Parties and (iii) the Amended and Restated U.S. Intellectual Property Security Agreement dated as of October 14, 2011 (as amended, restated, amended and restated, supplemented or otherwise modified from time to time, the “ U.S. IP Security Agreement ”) made by the Grantors from time to time party thereto in favor of the Agent for the benefit of the Secured Parties; terms defined in the Credit Agreement or the Security Agreement and not otherwise defined herein are used herein as defined in the Credit Agreement or the Security Agreement;

WHEREAS, Holdings has removed the designation of the New Grantors as Immaterial Subsidiaries under the Credit Agreement effective as of the date hereof, and each of the New Grantors is therefore required to enter into (i) the Guaranty Supplement (as defined in the U.S. Guarantee Agreement), dated as of the date hereof, in favor of the Agent for the benefit of the Secured Parties, (ii) the Security Agreement Supplement (as defined in the Security Agreement), dated as of the date hereof, in favor of the Agent for the benefit of the Secured Parties and (iii) this U.S. IP Security Agreement Supplement;

WHEREAS, under the terms of the Security Agreement Supplement and the Security Agreement, the New Grantors have granted to the Agent, for the ratable benefit of the Secured Parties, a security interest in, among other property, certain intellectual property of the New Grantors, and have agreed as a condition thereof to execute this U.S. IP Security Agreement Supplement for recording with the U.S. Patent and Trademark Office, the United States Copyright Office and, to the extent agreed upon and applicable, other foreign governmental authorities;

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NOW, THEREFORE, for good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, each New Grantor agrees as follows:

SECTION 1. Grant of Security . Each New Grantor hereby grants to the Agent for the ratable benefit of the Secured Parties a security interest in all of such Grantor’s right, title and interest in and to the following (the “ Collateral ”):

(A) the patents and patent applications set forth in Schedule A hereto (the “ Patents ”);

(B) the trademark and service mark registrat