opinion: GOODWIN et al. v. COE, Commissioner of Patents.
  No. 8295.
  United States Court of Appeals for the District of Columbia.
  Argued Oct. 7,1943.
  Decided Nov. 1, 1943.
  Mr. H. Frank Wiegand, of New York City, with whom Messrs. Nathaniel L. Leek, of New York City, and Robert C. Watson, of Washington, D.C., were on the brief, for appellants.
  Mr. W. W. Cochran, of Washington, D. C., Solicitor, United States Patent Office, for appellee.
  Before GRONER, Chief Justice, and MILLER and EDGERTON, Associate Justices.
  PER CURIAM.
  This is a suit under R.S. § 4915, 35 U.S. C.A. § 63, to obtain a patent on a snap-on cover for a container. In our opinion the finding of the trial court that the claims do not show invention over the prior art is consistent with the evidence. The judgment dismissing the complaint is therefore affirmed. Abbott v. Coe, 71 App.D.C. 195, 109 F.2d 449.
instruction: What follows is an opinion from a United States Court of Appeals.
  Intervenors who participated as parties at the courts of appeals should be counted as either appellants or respondents when it can be determined whose position they supported. For example, if there were two plaintiffs who lost in district court, appealed, and were joined by four intervenors who also asked the court of appeals to reverse the district court, the number of appellants should be coded as six.
  When coding the detailed nature of participants, use your personal knowledge about the participants, if you are completely confident of the accuracy of your knowledge, even if the specific information is not in the opinion. For example, if "IBM" is listed as the appellant it could be classified as "clearly national or international in scope" even if the opinion did not indicate the scope of the business. 
  
  Your task concerns the first listed appellant. The nature of this litigant falls into the category "private business (including criminal enterprises)", specifically "unclear". Your task is to determine what subcategory of business best describes this litigant.
choices: auto industry chemical industry drug industry food industry oil & gas industry clothing & textile industry electronic industry alcohol and tobacco industry other unclear