Inventor
Forrest E. Robertson
Inventor
Garden City, KS, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A01Cprimary
A01CPlanting44%
A01BSoil working in agriculture or forestry25%
Y02PClimate change mitigation technologies in the production or processing of goods19%
E02FDredging6%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges6%
PatentTitleYear
4,867,248'Shank mounting assembly for soil opening point'19894,773,340'Subsoil applicator'19884,598,654'Furrow opener and follower blade'19864,483,401'Trash clearing assembly for farm implements'19844,446,927'Ground penetrating tool for farm implement shanks'19844,425,973'Trash clearing disc assembly for planters'19844,321,972'Seed planter furrow opener and follower therefor'19824,295,532'Planter with cooperating trash clearing discs'19814,269,274'Streamlined wear-resistant deep tillage tool'19814,033,271'Apparatus for subsoil application'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1989Patents assigned to ACRA PLANT (10)· patent assignee history
1977–1989Based in Garden City, KS, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ACRA PLANT | 10 | 1977–1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Garden City, KS, US | 10 | 1977–1989 |