Rose Hill Manor

Historical marker location:

1611 North Market Street, Frederick, Maryland

( Marker can be reached from North Market Street (State Highway 355), on the right when traveling south.)

Union Artillery Reserve.

Maryland was home to the first African American woman to hold a patent: In 1885, Sarah E. Goode, an African American woman from Baltimore, became the first African American woman to hold a U.S. patent. Her invention was a folding cabinet bed, which was designed to save space in small apartments.