Chicago Pneumatic Tool Co. v. Ziegler
Court of Appeals for the Third Circuit
1Opinion of the Court
BIGGS, Circuit Judge.
Charles H. Haeseler, an inventor, for some years prior to 1919 had been an employee of the petitioner, Chicago Pneumatic Tool Company. On January 27, 1919 Haeseler entered into an agreement with the Tool Company cancelling certain prior patent-licensing contracts entered into by him with his employer. The new contract listed certain patents and a number of pending patent applications owned by Haeseler. Included in these was an application, No. 6,269, for Letters Patent of Belgium. By the terms of the agreement Haeseler granted to the Tool Company the exclusive right to…
2Cases cited25 opinions
- Klaxon Co. v. Stentor Electric Manufacturing Co.Supreme Court of the United States · 1941
- Leeds & Catlin Co. v. Victor Talking MacHine Co.Supreme Court of the United States · 1909
- Black & Yates, Inc. v. Mahogany Ass'nCourt of Appeals for the Third Circuit · 1942
- Dewey & Almy Chemical Co. v. American Anode, Inc.Court of Appeals for the Third Circuit · 1943
- Wilson v. RousseauSupreme Court of the United States · 1846
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3Cited by35 opinions
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- Aralac, Inc. v. Hat Corporation of AmericaCourt of Appeals for the Third Circuit · 1948
- Shipley v. Pittsburgh & L. E. R. Co.District Court, W.D. Pennsylvania · 1949
- Shehadi v. Northeastern Nat. Bank of Pa.Supreme Court of Pennsylvania · 1977
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