Patent suits -- United States.
Subject
Subject Source: Library Of Congress Subject Headings
Found in 1 Collection or Record:
August Johnson Papers
Collection
Identifier: Mss 16
Abstract
Swedish immigrant who became a Fargo inventor and maufacturer who developed a high pressure grease gun and an electric snow shovel.
Dates:
1919-1956
Found in:
Institute for Regional Studies
/
August Johnson Papers