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Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 4865839 | Oral composition containing a polyglycerol fatty acid monoester and an N-acylamino acid or a salt thereof An oral composition containing, as a surfactant, polyglycerol fatty acid monoester having a polymerization degree of glycerol of 6 or more and 10 to 20 carbon atoms in the fatty acid moiety. An N-acylamino acid or a salt thereof may be contained in this o... | 09/12/1989 |
| 4466954 | Oral composition A stable dextranase-containing oral composition having a good feeling upon use is disclosed which comprises a dextranase enzyme produced by the genus Chaetomium, one of fungi, and a stabilizing amount of an admixture comprising water-soluble salts of alky... | 08/21/1984 |
