Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 7811076 | Alkaline protease and washing and cleaning products containing said novel alkaline protease An alkaline protease, the DNA thereof having been taken from a bottom sample, alkaline proteases that are at least 40% identical, and nucleic acids with an identity at least 50% homologous with the associated nucleic acids. The invention also relates to the fragment... | 10/12/2010 |
| 5217724 | Apparatus for the in-line cropping and/or chamfering of a plastic tube An apparatus for in-line cropping and/or chamfering of a plastic tube. The apparatus includes pressure rollers for deforming a tube section and cutting devices to perform the cropping and/or chamfering operation. The control of movement of the pressure ro... | 06/08/1993 |
| 4028034 | Method and apparatus for blow molding plastic The invention disclosed is for a method and apparatus for blow molding foam walled plastic using a quadrisectional mold. A parison of foamed plastic may be blow molded to assume the contour of the closed mold, after which the molded shape is severed into ... | 06/07/1977 |