Legal Opinion
Waldon, Inc., Plaintiff-Appellant-Cross v. Alexander Manufacturing Company and Amco International, Defendants-Appellees-Cross
Court of Appeals for the Fifth Circuit
Decided February 25, 1970No. 27711_1PublishedCited by 34 opinions
1Opinion of the Court
DYER, Circuit Judge.
Waldon, Inc. brought suit against Alexander Manufacturing Co. alleging infringement of its patent, No. 3,199,-236. Alexander denied infringement and counterclaimed that the patent is invalid for obviousness. The District Judge tried the case without a jury and found the patent valid but not infringed. We find the patent invalid and reverse.
The patent pertains to an attachment for farm tractors to convert them to use as earth moving bulldozers. The parties are agreed that the conversion of a farm tractor into a light utility bulldozer is not new to the industry. Only Claim…
2Cases cited10 opinions
- Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
- Brady v. Southern Railway Co.Supreme Court of the United States · 1944
- Anderson's-Black Rock, Inc. v. Pavement Salvage Co.Supreme Court of the United States · 1969
- Monroe Auto Equipment Company v. Heckethorn Manufacturing & Supply CompanyCourt of Appeals for the Sixth Circuit · 1964
- Zero Manufacturing Company, Inc. v. Mississippi Milk Producers AssociationCourt of Appeals for the Fifth Circuit · 1966
5 more not listed; retrieve them via the Exa API.
3Cited by34 opinions
- James C. Hobbs v. United States of America, Atomic Energy CommissionCourt of Appeals for the Fifth Circuit · 1971
- Beckman Instruments, Inc., and Leland C. Clark, Jr., Plaintiffs-Appellants-Cross v. Chemtronics, Inc. And J. Ryan Neville, Defendants-Appellees-CrossCourt of Appeals for the Fifth Circuit · 1970
- Louis W. Parker, Plaintiff-Appellee-Cross v. Motorola, Inc., Defendant-Appellant-CrossCourt of Appeals for the Fifth Circuit · 1975
- Beckman Instruments, Inc. v. Chemtronics, Inc.Court of Appeals for the Fifth Circuit · 1970
- Jamesbury Corp. v. United StatesUnited States Court of Claims · 1975
29 more not listed; retrieve them via the Exa API.