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Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 7246613 | Vehicle interdiction device and method A motor vehicle interdiction device with an elastic bladder inserted by hand or fired as an infrared seeking missile into an automobile exhaust pipe and inflated with a compressed gas cartridge. ... | 07/24/2007 |
| 7055789 | Articulating tool arm with positional feedback A power hand-tool support apparatus includes a multi-component articulating arm with pneumatic lifting assist to hold the hand-tool and protect the operator from tool induced torque, the apparatus equipped with positional feedback optical encoders, to communicate wi... | 06/06/2006 |
| 6651921 | Spool winder A spool winder includes a holder for a filament bulk roll, a cantilever member to receive a weed trimmer filament spool, and a crank handle device rotating on the member while holding and interlocking into openings in the trimmer spool.... | 11/25/2003 |
| 6554445 | Lamp body pouch A cloth pouch with a frontal adjustable sized aperture is strappable on the torso of a person adapted to hold and expose through the aperture a dome shaped battery powered lamp that is turned on and off by tapping the dome.... | 04/29/2003 |
| 6444196 | Hair treatment composition and method A method of manufacture of a water emulsion and a new use of applying the composition to hair that improves the condition of excessively curly hair that has been subjected to a straightening process, the composition including at least three emollients cho... | 09/03/2002 |
| 6406107 | Gravity feed multiple sized and shaped package display dispenser A point of purchase gravity feed packaged product dispenser with replaceable graphic advertising display panels on the front and sides includes a housing holding packaged products stacked vertically with a bottom front dispensing opening, guide members th... | 06/18/2002 |
| 5599187 | Firearm use training device and method A paint ball gun is protected by armor and is equipped with aiming mechanisms to allow the gun to be swiveled horizontally and raised or lowered using linear actuators controlled by hand held controllers distanced from and generally behind a person being ... | 02/04/1997 |
