Harvard Bioscience Buys Coulbourn

HOLLISTON, Mass. (AP) -- Medical instruments maker Harvard Bioscience Inc. said Monday it has acquired Coulbourn Instruments, a private company that makes lab equipment for assessing learning and memory.

Harvard Bioscience did not disclose financial details of the acquisition.

It estimates the total market for the instruments Coulbourn produces is between $40 million and $50 million. And it expects the company to add about $4 million in annual revenue.

Harvard Bioscience shares rose 2 cents to $3.43.

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