Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Application No. | Application Title | Issue Date |
| 20070061949 | Fitted protective hip brief A brief for padding a wearer's hips to reduce the risk of hip fracture. The brief comprises a front panel having first and second side edges and a rear panel having first and second side edges. The first side edge of the rear panel is connected to the first side edge of... | 03/22/2007 |