Did You Know...
...that when IBM conducted a market study of Chester Carlson's invention in 1959, the company concluded that it would take only 5000 units of his new product to saturate the market? IBM therefore declined to be part of the new product introduction. Too bad for IBM. Carlson's invention was the xerography process, and his new product was the beginning of the Xerox Corporation. It is estimated that every day, worldwide, 3,000,000,000 copies are made!!
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| Number | Title | Issue Date |
| 5192439 | Blood collection reservoir and filter device A blood collection reservoir and filter device includes a generally cylindrical housing and an internal filter medium with the filter medium being retained in spaced relationship from the side wall of the housing so that blood can pass through the filter ... | 03/09/1993 |
| 5000419 | Tube clamp A tube clamp for dependably occluding the flow of fluid through a deformable tube includes a pair of pin members mounted on a supporting surface adjacent to a pivotal body that includes an edge portion adapted to be pivoted into the space between the pin ... | 03/19/1991 |
| 4964984 | Blood filter A blood filter device for separating gas bubbles from a flow of blood includes a filter medium in a lower body portion of the device through which the blood must flow before being directed through an outlet tube. An upper cap sealed to the top of the lowe... | 10/23/1990 |
| 4668214 | Method of washing red blood cells A method of cleaning red blood cells which have been separated from undesirable components of blood in a centrifugal separating chamber includes the steps of pulsating a washing solution through the red blood cells in an alternating high flow rate/low flo... | 05/26/1987 |
| 4403296 | Measuring and determination device for calculating an output determination based on a mathematical relationship between multiple different input responsive transducers An electronic measuring device utilizes multiple different transducers for supplying signals exhibiting predetermined and typically nonlinear relationships to the multiple input variables sensed by the transducers. The measuring device includes a microcom... | 09/06/1983 |
| 4283921 | Control and alarm system for freezer case temperature The temperature within a freezer case or refrigeration compartment is operatively determined and controlled by a control system employing a microcomputer which operatively controls a refrigeration system associated with the freezer case. A sensing element... | 08/18/1981 |
