Lorillard v. McDowell

Name: Lorillard v. McDowell
Cite: 13 Phila. 461
Year: 1877
Bluebook cite: Lorillard v. McDowell, 13 Phila. 461 (1877).
Author
URL: 13 Phila. 461
Item Type: case
Summary: Where an invention involves reflection and experiment to bring it to practical maturity, its evident utility, indicated by its prompt displacement of other devices and extensive use, strongly attests its patentable merit.