Trico Products Corporation v. McGowan , 169 F.2d 343 ( 1948 )
Trico Products Corp. v. Com'r of Internal Revenue , 137 F.2d 424 ( 1943 )
Helvering v. Winmill , 59 S. Ct. 45 ( 1938 )
United States v. Donruss Co. , 89 S. Ct. 501 ( 1969 )