Federal Metal Bed Co. v. Alpha Sign Co. , 289 Pa. 175 ( 1927 )
Mitchell v. George A. Sinn, Inc. , 308 Pa. 1 ( 1932 )
Richey v. Armour , 293 Pa. 127 ( 1928 )
Briggs v. City of Philadelphia , 112 Pa. Super. 50 ( 1933 )