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Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 5554381 | Low flux matrix system for delivering potent drugs transdermally Matrix-type transdermal drug delivery devices for administering potent steroids such as ethinyl estradiol at a low flux steady-state rate over a multi-day period comprising a laminate of: (a) an occlusive backing layer and (b) a matrix layer of the drug c... | 09/10/1996 |
| 5526308 | Nonvolatile semiconductor memory device Disclosed is a nonvolatile semiconductor memory device, including a semiconductor substrate; an insulation layer located on the semiconductor substrate; and a plurality of memory cells arranged on the semiconductor substrate in a matrix with the insulatio... | 06/11/1996 |
| 5515354 | Optical pickup The optical pickup of the invention includes a hologram mirror for directing an optical axis of a light beam emitted from a light source to be perpendicular to the recording face of a recording medium. The hologram mirror includes: a light transmissive su... | 05/07/1996 |
| 5418137 | Flea membrane binding site proteins as screening tools The cellular binding proteins present in membranes of fleas, especially those which are present in the digestive tract, are useful as screening tools for systemic anti-flea reagents and in the design of vaccine formulations. Particularly useful is the &#x... | 05/23/1995 |
| 5304637 | Expression and purification of human interleukin-3 and muteins thereof Methods are provided for improved production of hIL-3 either in glycosylated form from mammalian and yeast cells or in unglycosylated form from prokaryotes. Recombinantly produced human IL-3 is purified in a series of steps, initially employing hydrophobi... | 04/19/1994 |
