Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 7219397 | Elastic foreshortening of cable or other linear structures A device wherein an elastic cord is attached to a pre-existing flexible linear structure such as a wire, tube or non-elastic cordage in order to deform the structure and impart elastic handling properties of a common curly cord. The resulting assembly is a foreshort... | 05/22/2007 |
| 7070378 | Heatstake A heatstake for fastening a workpiece includes a base portion (12) having at least one shaft portion (22). A central passage (30) extends though the shaft portion from its leading end (28) to the base portion. A plurality of slots (22 | 07/04/2006 |
| 6907647 | Eyelet for reinforcing the edge of a hole in a carrier strip and device for attaching an eyelet to a carrier strip The invention relates to a ringless eyelet (10′) comprising a plate (11) arranged on the display side (23) of the carrier strip (20), and a tube-shaped collar penetrating the hole in the carrier strip. The hem of the collar of the eyele... | 06/21/2005 |
| 5588191 | Anchoring eyelet for tarpaulins and similar coverings An anchoring eyelet for tarpaulins and similar coverings of a thermoplastic foil material is designed as a substantially annular disc (1) made of plastic. The eyelet has an eyelet opening (2) and is designed in its peripheral part with increased resilienc... | 12/31/1996 |
| 5497564 | Rigid/semi-rigid plastic shoe strap construction A shoe construction employs straps formed of plastic material whereby separate areas of the shoe straps have different characteristics of elasticity, flexibility and rigidity. The construction of the strap provides areas connected to the shoe with greater... | 03/12/1996 |