The phrase "a signed memorandum of" is correct and usable in written English.
It can be used when referring to a formal document that has been signed and serves as a record of an agreement or understanding between parties.
Example: "Before proceeding with the project, we need to have a signed memorandum of understanding between both parties."
Alternatives: "a signed agreement of" or "a signed contract of".
Although the ECA have a signed memorandum of understanding up to 2014, they want wholesale change thereafter.
The CIA, however, now appears to be evading a signed memorandum of understanding that it gave to the ARRB about the release of JFK records.
Between making valuable connections, and obtaining a signed Memorandum of Understanding for the land, S4S is making headway at light-speed towards the goal.
A signed Memorandum of Understanding (MOU) must be received prior to any procurement activity.
In regard to disaster resources, 75.6% and 87.5% stockpiled emergency drugs and materials respectively, while less than a third (30%) had a signed Memorandum of Understanding with other hospitals to share these resources.
It was noteworthy that a greater percentage of tertiary A hospitals had a signed Memorandum of Understandings (MOUs) to share emergency materials than tertiary B hospitals (42.9% among tertiary A and 22.2% among tertiary B hospitals).
Partners with which A*STAR has signed Memoranda of Understanding are the People's Republic of China, India, Germany, Canada, the Republic of Korea, Taiwan (Republic of China), and Japan.
The cathedral and a developer have signed a memorandum of intent; they have not "signed a lease agreement".
In addition, the company – a wholly owned subsidiary of UK-based Proton Power Systems (PPS) – has also signed a memorandum of understanding with Wilhelm Karmann GmbH, a German supplier of service vehicles.
Boeing said in a statement that it had signed a memorandum of understanding with state carrier Iran Air "expressing the airline's intent to purchase Boeing commercial passenger airplanes".
The companies signed a memorandum of understanding at a news conference in Dresden yesterday.
