Legal Opinion
Austin Powder Co. v. Atlas Powder Co.
District Court, D. Delaware
Decided May 31, 1983No. Civ. A. 80-292PublishedCited by 3 opinions
1Opinion of the Court
OPINION
STAPLETON, District Judge:
This is a patent infringement action between two manufacturers of explosives and related products. Austin Powder Company (“Austin”) has charged Atlas Powder Company (“Atlas”) with infringement of the product claims in U.S. Patent No. 4,141,296 (“ ’296 patent”), now reissued as Re 30,621 (“ ’621 patent”), and of the method claim in Patent No. 4,133,247 (“’247 patent”). These patents involve non-electric delay blasting devices and techniques. Atlas has counterclaimed asking for a declaratory judgment that all three patents are invalid and unenforceable. This…
2Cases cited27 opinions
- Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
- Universal Athletic Sales Co., a Corporation v. American Gym, Recreational & Athletic Equipment Corporation, Inc.Court of Appeals for the Third Circuit · 1976
- Tee-Pak, Inc. v. St. Regis Paper CompanyCourt of Appeals for the Sixth Circuit · 1974
- In re WertheimCourt of Customs and Patent Appeals · 1976
- In re RasmussenCourt of Customs and Patent Appeals · 1981
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3Cited by3 opinions
- Moleculon Research Corporation v. Cbs, Inc.Court of Appeals for the Federal Circuit · 1986
- American Standard Inc. v. Pfizer Inc.District Court, D. Delaware · 1989
- Austin Powder Co. v. Atlas Powder Co.District Court, D. Delaware · 1984