As a result, nearly all toasters made between 1915 and 1923, when the patent expired, are marked â Feb. 6, 1906â and âLMPâ (for âLicensed Under Marsh Patentsâ) in a diamond shape. Early toasters, like the D-12, only toasted one side of the bread at a time.
A bone marrow aspiration and biopsy removes a small amount of bone and a small amount of fluid and cells from inside the bone (bone marrow). It is often done to find the reason for many blood disorders and may be used to find out if cancer or infection has spread to the bone marrow.
Bone marrow tests are used to check whether your bone marrow is healthy. These tests also show whether your bone marrow is making normal amounts of blood cells. Bone marrow is the sponge-like tissue inside the bones.It contains stem cells that develop into the three types of blood cells that the body needs:1  Red blood cells carry oxygen through the body. 2  White blood cells fight infection.hese tests also show whether your bone marrow is making normal amounts of blood cells. Bone marrow is the sponge-like tissue inside the bones. It contains stem cells that develop into the three types of blood cells that the body needs: 1  Red blood cells carry oxygen through the body. 2  White blood cells fight infection.