Legal Opinion
Doughnut Mach. Corp. v. Demco, Inc.
District Court, D. Maryland
Decided July 1, 1931No. Nos. 1616, 1697PublishedCited by 1 opinion
1Opinion of the Court
WILLIAM C. COLEMAN, District Judge.
These two suits involve alleged infringements of five patents covering machines for the automatic frying of doughnuts. Pour patents are involved in suit No. 1616, namely, Tomlinson patent, No. 1,320,662, filed March 15, 1918, issued November 4, 1919; Sherman and Morris, No. 1,414,713, filed June 7, 1919, issued May 2, 1922; Bergner patents, No. 1,492,541, filed October 29,1919, issued April 24, 1924, and No. 1,665,017, filed July 10, 1919, issued April 3, 1928. The remaining patent is involved in suit No. 1697, which was brought by supplemental bill, and,…
2Cases cited13 opinions
- Diamond Rubber Co. of New York v. Consolidated Rubber Tire Co.Supreme Court of the United States · 1911
- Leeds & Catlin Co. v. Victor Talking MacHine Co.Supreme Court of the United States · 1909
- Hubbell v. United StatesSupreme Court of the United States · 1900
- Black & Decker Mfg. Co. v. Baltimore Truck Tire Service Corp.Court of Appeals for the Fourth Circuit · 1930
- Virginia v. West VirginiaSupreme Court of the United States · 1911
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3Cited by1 opinion
- Baltimore Paper Co. v. Oles Envelope Co.District Court, D. Maryland · 1936