Subject Source: Art & Architecture ThesaurusScope Note: Grants made by a government to an inventor, assuring the inventor the sole right to make, use, and sell the invention for a certain period of time.
Found in 1 Collection or Record:
Collection — Box Communal Collections 8, Placement: 01
Identifier: MSA 142
Scope and Contents The papers consist of ten patents/inventions by Robert Hofstetter.
Dates: 1923 - 1932