Legal Opinion
Pennsylvania Crusher Co. v. Bethlehem Steel Co.
District Court, W.D. Pennsylvania
Decided February 9, 1951No. Civ. A. No. 6815PublishedCited by 2 opinions
1Opinion of the Court
FOLLMER, District Judge.
The plaintiffs, Pennsylvania Crusher Company (hereafter referred to as “Penn*697sylvania”) and Marguerite C. Schacht, Administratrix of the Estate of William H. Schacht, Deceased, (hereafter referred to as “Schacht”) bring this action against the defendants, Bethlehem Steel Company (hereafter referred to as “Bethlehem”) and The Jeffrey Manufacturing Company ("hereafter referred to as “Jeffrey”) alleging infringement of Claim 21 of a method patent No. 2,155,151 issued to William H. Schacht on April 18, 1939, and claims 4, 6, 9, and 102 of Patent No. 2,149,571 issued March…
2Cases cited14 opinions
- Mumm v. Jacob E. Decker & SonsSupreme Court of the United States · 1937
- Schriber-Schroth Co. v. Cleveland Trust Co.Supreme Court of the United States · 1938
- DeForest Radio Co. v. General Electric Co.Supreme Court of the United States · 1931
- Mathews Conveyer Co. v. Palmer-Bee Co.Court of Appeals for the Sixth Circuit · 1943
- In Re ThuauCourt of Customs and Patent Appeals · 1943
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3Cited by2 opinions
- Pennsylvania Crusher Co. v. Bethlehem Steel Co.Court of Appeals for the Third Circuit · 1951
- J. R. Clark Co. v. Murray Metal Products Co.District Court, S.D. Texas · 1953