LEAHY, District Judge.
This is a straight infringement suit, involving claim 15 of Miller No. 1,799,056, issued March 31, 1931. The defenses were invalidity and non-infringement. The decision in this case is that Miller '056 is invalid; but if valid, infringed by defendant's accused device.
1. Plaintiffs are Duncan Meter Corporation, an Illinois corporation, exclusive licensee under the patent, which deals with parking meters, in the parking meter field,
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