Lockhouse 6

Historical marker location:

6100 Clara Barton Parkway, Bethesda, Maryland

( Marker is on Clara Barton Parkway.)

Chesapeake and Ohio Canal National Historical Park. National Park Service, U.S. Department of the Interior.

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.