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<p>[QUOTE=&quot;rhiwfield, post: 96616, member: 924&quot;]Susan, the link you gave was for a registered design number.</p><p>I think the patent is for 1921 and is as follows</p><p>1921 patent:180,678. Blanc, L. May 25, 1921, [Convention date]. Air-pressure sprayers.- An atomizer comprises a reservoir a provided with compression means d directly connected thereto and one or more spraying- tubes b, bent at b&lt;1&gt; to face a hole a&#039; in the wall of the reservoir. The compression means may comprise a stretched membrance or a rubber bulb d without an inlet valve, retained in position by means of the inturned rim a&lt;2&gt; of the reservoir. In order to prevent escape of the liquid when the sprayer is not in use, a perforated rotatable ring c&lt;1&gt; may be employed to close the opening a&lt;1&gt;, which may be formed of several holes or as a slit. In place of a bulb or membrane, the compression means may consist of a spring- pressed sliding cover which acts as a pump piston.[/QUOTE]</p><p><br /></p>

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