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 test. During bone marrow aspiration, a needle is used to remove a sample of bone marrow from the hipbone. The sample is sent to a lab for testing to look for leukemia cells. Doctors in the lab will classify blood cells into specific types based on their size, shape and other features.