Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 3970428 | Method and apparatus for collecting atmospheric samples in atmospheric geochemical prospecting Method and apparatus for airborne prospecting in which samples of atmospheric gases, vapors or particulates are collected and contemporaneously the atmosphere near where the samples are collected is monitored to determine whether the respective samples we... | 07/20/1976 |
| 3966439 | Fluid sampling device A gaseous or liquid sampling collection unit designed to prevent loss of any of the matter collected and designed to prevent the accidental or intentional loss of all or part of the amount of matter collected, consisting of a filter capsule comprising a s... | 06/29/1976 |
| 3957469 | Filter cassette with removable capsule A shallow cup has a central inlet opening in its base and a filter disc closing its open end, whereby a hollow capsule is formed. A barrier member inside the cup is located between its base and the filter and has a central portion spaced from the filter a... | 05/18/1976 |
| 3953182 | Collection medium for air sampler A sampling device for separating particles entrained in a gaseous medium including a plurality of plates spaced from each other a prescribed distance with each of the plates defining a plurality of jet impaction apertures therethrough with the apertures o... | 04/27/1976 |
| 3938367 | Sampler of gas borne particles An atmosphere sampler includes a very thin filter element with straight-through holes on the order of 1μ. A sample of air with particles to be examined is driven by means of a pressurized low molecular weight gas, e.g., He to the filter element front sid... | 02/17/1976 |
