MR. JUSTICE WOODS delivered the opinion of the court. He stated the facts in the foregoing language, and continued:
It is clear that the two patents must stand or fall together. If the patent for the process is invalid so must be the patent for the product. What we have to say will refer to the process patent.
The alleged invention described in the patent is not for insulating telegraph wires, for that art long antedated the original patent. The specification...
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