Inventions, Employees' -- United States. / https://id.loc.gov/authorities/subjects/sh85067668 https://id.loc.gov/authorities/names/n78095330-781 : Neumeyer, Fredrik,
1971
1
5
Inventions, Employees' -- United States -- History. / https://id.loc.gov/authorities/subjects/sh85067668 https://id.loc.gov/authorities/names/n78095330-781 https://id.loc.gov/authorities/subjects/sh99005024 : Fisk, Catherine L.,