BYERS, District Judge.
This is a patent cause which is prosecuted by the patentee in person although the grant itself was solicited by an attorney.
The issue litigated is that of infringement, although the defendants successfully assert invalidity if the claims can be so distended as to read upon their structures.
United States Patent No. 1,815,303 was granted July 21, 1931, upon Application filed August 28, 1929, and the invention claimed is that...
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