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.
Dec. 12, 2015. LASIK (laser-assisted in situ keratomileusis) is an outpatient refractive surgery procedure used to treat nearsightedness, farsightedness and astigmatism. A laser is used to reshape the cornea â the clear, round dome at the front of the eye â to improve the way the eye focuses light rays onto the retina at the back of the eye. With LASIK, an ophthalmologist creates a thin flap in the cornea using either a blade or a laser.