Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 7210202 | Reverse-separating device for slide fastener A reverse-separating device for a slide fastener, comprises a retainer pin 5, a separable pin 6 both made of metal and a reverse-separating slider 3. Each of the retainer pin 5 and the separable pin 6 is of a U-shaped cross-section... | 05/01/2007 |
| 7111367 | Slider for a concealed slide fastener This invention relates to a concealed-type slider. Side walls are erected on both sides of a bottom plate of a body and a top end of each side wall is bent to form a flange. A guide portion is provided by forming a down-grade slope inclined from a leading end of a s... | 09/26/2006 |
| 7082649 | Metal wire rod for forming slide fastener coupling elements and slide fastener coupling element formed from the same metal wire rod In a Y bar for forming coupling elements, an opening angle of a pair of right and left leg parts is narrower than that of the ordinary ones. Plural bent portions, which are bent inward, are formed successively in an extending direction of the leg parts in a range fr... | 08/01/2006 |
| 6681456 | Zipper stringer having coupling elements with variable properties A zipper is provided wherein at least one stringer has a row of coupling elements presenting a variable visual appearance along the coupled length of the zipper. The zipper has improved aural, tactile or visual aesthetics, and is more difficult to counter... | 01/27/2004 |
| 6604263 | Multiple pitch zipper A zipper including two stringers, each stringer having a row of coupling elements having a plurality of coupling element spacings, and at least one stringer having a plurality of coupling element widths.... | 08/12/2003 |
| 6453521 | Multiple pitch zipper A zipper including two stringers, each stringer having a row of coupling elements having a plurality of coupling element spacings, and at least one stringer having a plurality of coupling element widths.... | 09/24/2002 |
| 6243927 | Slide fastener The present invention provides a slide fastener in which a normal engaging state of engaging elements can be maintained, even if right and left tensile loads are applied to the engaged elements having an engaging male portion and an engaging female portio... | 06/12/2001 |
| 6134756 | Element row for slide fastener and method and apparatus for producing the element row and monofilament made of synthetic resin for forming the element row An element row for a slide fastener made by stamping a monofilament made of synthetic resin. Element coupling heads have a shape which enables the elements to be reliably coupled with each other even though the gaps between upper and lower leg portions of... | 10/24/2000 |
| 5167051 | Continuous fastener element row for slide fasteners A continuous row of interlocking fastener elements made of a plastic monofilament is used on a slide fastener. The coupling head of each fastener element has in its front face at the middle a groove extending longitudinally of the fastener element row and... | 12/01/1992 |
| 4130917 | Flexible slide fastener A slide fastener including a first elongated guide member with a longitudlly extending closure edge that is incrementally forced into intimate engagement with a longitudinally extending mating edge of a second elongated guide member in response to moveme... | 12/26/1978 |