Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 7014851 | Process for inhibiting platelet aggregation An object of the present invention is to provide a platelet aggregation inhibitor without side effects and a supplement food effective for inhibiting platelet aggregation. The platelet aggregation inhibitor has nattokinase as an active ingredient and has Bacillus... | 03/21/2006 |