Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 6951277 | Shoe box divider A shoe box having one or more integrally formed dividers extending from the end of the shoe box, with the dividers shaped and sized to extend laterally across and to be positioned between a pair of shoes within the box to secure the shoes in fixed space relation to ... | 10/04/2005 |
| 4819796 | Expandable garment carrier A garment carrier of the type including a generally rectangular outer panel and a like sized generally rectangular inner panel joined along their respective peripheries to the opposed sides of an elongate side panel extending around the peripheries of the... | 04/11/1989 |
| 4753342 | Garment carrier A garment carrier includes an inner chamber. A stiff flap is hingedly mounted along a lower edge of the inner chamber between front and rear panels of the garment carrier. The flap includes a plurality of elastic shoe pockets for receiving shoes. A hanger... | 06/28/1988 |
| 4699267 | Portable shoe rack for travelers A luggage case provided with a removably mounted shoe rack for storing and transporting a plurality of pairs of shoes. The generally conventional luggage case includes a rectangular compartment and a hinged cover detachably connected thereto to open and c... | 10/13/1987 |