Name/Title
Kopperud Hoe PatentEntry/Object ID
2026.1.162Description
The image depicts a detailed patent drawing for a power-driven hoe, invented by J. E. Kopperud and filed on June 8, 1937, which was officially patented on May 24, 1938, under patent number 2,118,649, showing intricate mechanical components such as gears and levers, arranged to illustrate the functionality and design of the machinery, with the diagram labeled as Figure 1 on sheet one, highlighting various numbered parts to specify technical details.Context
Jules Kopperud of New Richland applied for a patent on his invention of a power-driven hoe and filed it on June 8 1937.Cataloged By
PfenLexicon
Nomenclature 4.0
Nomenclature Secondary Object Term
PatentNomenclature Primary Object Term
Record, ExecutiveNomenclature Sub-Class
Government RecordsNomenclature Class
Documentary ObjectsNomenclature Category
Category 08: Communication ObjectsCreate Date
October 15, 2026Update Date
October 18, 2026