Patents
Parent Issue
Day
24
Month
February
Year
1888
Copyright
Public Domain
OCR Text
PATENTS OBTAINED in U.S. and all foreign countries. Examinations made. Licenses and assignments drawn. Infringements prosecuted in all Federal courts. Advice and pamphlets free. Scientific expert validity opinions given. No models required. Established A. D. 1865. Thos. S. Sprague & Son, 37 Congress Street West, Detroit, Mich.
Article
Subjects
Old News
Ann Arbor Argus