Pacific Biotech, Inc.

Sinfu Tzeng

Eugene Fan

Ching Huang

Fon-Chiu M Chen

Dou-Mei Wang

Theresa Popejoy

In response to an express need for an immunoassay device with universal applicability, which further promotes the goals of inventory reduction and simplified, less costly manufacture, a container for holding materials used in conjunction with an immunoassay, having a housing with an inside, an outside, and a top, wherein the top is provided with a plurality of apertures communicating with the inside of the housing, and a thin web of opaque material applied over the top of the housing covering at least one but not all of the apertures.

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San Francisco, CA, United States of America

Sinfu Tzeng