Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 5086187 | Herbicidal pyrones Compounds of the general formula, including isomers and tautomers thereof: ##STR1## wherein: R1 to R5 are as defined in the text; the compounds have herbicidal and plant growth regulating properties; including compositions conta... | 02/04/1992 |
| 4939278 | Herbicidal pyrones Compounds of the general formula (2) and isomeric and/or tautomeric forms thereof ##STR1## characterized in that R1 is selected from the group consisting of: hydrogen; alkyl; alkenyl; alkynyl; cycloalkyl; cycloalkenyl; substituted alk... | 07/03/1990 |
| 4849450 | New arthropodicides Compounds with arthropodicidal activity having the general formula (I); ##STR1## wherein R1 is a halo group; or a lower alkyl, lower alkoxy or lower alkylthio group, in each of which the alkyl group may be substituted with one or more halo... | 07/18/1989 |