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3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 6364835 | Medical diagnostic ultrasound imaging methods for extended field of view A medical diagnostic ultrasound imaging system aligns substantially co-planar two-dimensional images to form an extended field of view using improved compounding methods. Compounding with a finite impulse response is used for more versatile compositing. T... | 04/02/2002 |
| 6359367 | Micromachined ultrasonic spiral arrays for medical diagnostic imaging Spiral, sparse spiral, substantially spiral or substantially sparse spiral transducer arrays comprising capacitive micromachined ultrasonic transducer elements disposed on a silicon substrate, and ultrasound imaging systems employing same. The transducer ... | 03/19/2002 |
| 6360027 | Multiple ultrasound image registration system, method and transducer An ultrasonic imaging system includes an ultrasonic transducer having an image data array and a tracking array at each end of the image data array. The tracking arrays are oriented transversely to the image data array. Images from the image data array are... | 03/19/2002 |
| 6354997 | Method and apparatus for frequency control of an ultrasound system A method and system for acquiring data in an ultrasound system are provided. A transducer is operatively connected to a transmit beamformer and a receive beamformer. The receive beamformer is configured to obtain a first value associated with a fundamenta... | 03/12/2002 |
| 6141893 | Laundry feeder method and apparatus A laundry feeder method and apparatus for feeding laundry articles to a spreader apparatus is provided. The feeder allows large king size sheets, as well as other sized laundry articles, to be conveniently readied for spreading by a user. A fixed target i... | 11/07/2000 |
| 6050944 | Method and apparatus for frequency control of an ultrasound system A method and system for acquiring data in an ultrasound system are provided. A transducer is operatively connected to a transmit beamformer and a receive beamformer. The receive beamformer is configured to obtain a first value associated with a fundamenta... | 04/18/2000 |
| 6030345 | Method and system for ultrasound enhanced-resolution spectral Doppler A method and system for generating data for a spectral Doppler strip in an ultrasound system includes a beamformer that provides Doppler data to a signal processor. The signal processor applies an autoregressive model and determines autoregressive paramet... | 02/29/2000 |
| 5897500 | Ultrasonic imaging system and method for displaying composite fundamental and harmonic images An ultrasonic imaging system and method acquire fundamental mode and harmonic mode ultrasonic image signals from a subject with a transducer. These image signals are then combined to form a composite image. This composite image includes a nearfield image ... | 04/27/1999 |
| 5848486 | Line of sight temperature control and method for laundry ironers An apparatus and a method controls a heating device in a laundry ironer. The apparatus includes a frame and an ironer cylinder. The ironer cylinder rotatably connects to the frame and has an interior surface and an exterior surface. The interior and exter... | 12/15/1998 |
| 5788635 | Adaptive persistence processing The invention provides a method and system for adaptive persistence processing in an ultrasound imaging system. Acoustic signals are temporally filtered using an adaptive persistence filter, having a recursive stage followed by a nonrecursive stage. A set... | 08/04/1998 |
| 5767841 | Two-sided trackball A hand-held, double sided trackball apparatus for controlling a cursor has a housing with a first side and a second side, and a third side extending between and joining the first and second sides. The third side has an inset portion for placement of the t... | 06/16/1998 |
| 5749113 | Drywall tool An apparatus for cleanly and easily removing nails from drywall has a shaft portion with a narrowing portion having a first end attached to the shaft portion and a second end having a width narrower than the width of the narrowing portion first end. The n... | 05/12/1998 |
