Patent appeal no. 751, in Court of Appeals of District of Columbia, Jan. term, 1912, in re Meta Mattullath, administratrix of Hugo Mattullath, improvement in flying machines; brief for commissioner of patents.
Publication Title:
Patent appeal no. 751, in Court of Appeals of District of Columbia, Jan. term, 1912, in re Meta Mattullath, administratrix of Hugo Mattullath, improvement in flying machines; brief for commissioner of patents.
Display Title:
Patent appeal no. 751, in Court of Appeals of District of Columbia, Jan. term, 1912, in re Meta Mattullath, administratrix of Hugo Mattullath, improvement in flying machines; brief for commissioner of patents.