Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 6044987 | Retail apparel display and storage stand A retail display and inventory storage stand for shirts and similar apparel includes a plurality of removable swinging display panels each including one or two internal torso frames over which a shirt or garment may pulled or fastened for displaying expre... | 04/04/2000 |
| 4620635 | Support structure for vertical filing systems A support structure is disclosed for vertical filing systems to suspend binders horizontally by supporting one end of the binder on an end support fixedly located on the support structure while supporting the binder from another position on the binder rem... | 11/04/1986 |
| 3973677 | Clothes drying device A cantilever-type clothes drying device comprising an anchoring means adapted to be secured to a window, a terrace hand-rail or wall and a support arm pivoted to the anchoring means for rotational movement in both the horizontal and vertical directions wi... | 08/10/1976 |