ROLFFS; MERLAN

Patent Applications and Registrations

Patent applications and USPTO patent grants for ROLFFS; MERLAN.The latest application filed is for "apparatuses, methods, and systems for providing down force for an agricultural implement".

Company Profile

2.5.5

ROLFFS; MERLAN - Williamsburg IA
Rolffs; Merlan - Pella IA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Apparatuses, Methods, And Systems For Providing Down Force For An Agricultural Implement App 20200077563 - ACHEN; COURTNEY N. ; et al.	2020-03-12
Apparatuses, methods, and systems for providing down force for an agricultural implement Grant 10,477,753 - Achen , et al. Nov	2019-11-19
Agricultural implement with electro-hydraulic cylinders Grant 10,064,323 - Hahn , et al. September 4, 2	2018-09-04
Apparatuses, Methods, And Systems For Providing Down Force For An Agricultural Implement App 20180035597 - ACHEN; COURTNEY N. ; et al.	2018-02-08
Apparatuses, methods, and systems for providing down force for an agricultural implement Grant 9,814,172 - Achen , et al. November 14, 2	2017-11-14
Seed disc with integrated drive Grant 9,474,201 - Wilhelmi , et al. October 25, 2	2016-10-25
Apparatuses, Methods, And Systems For Providing Down Force For An Agricultural Implement App 20150264857 - Achen; Courtney N. ; et al.	2015-09-24
Agricultural Implement With Electro-hydraulic Cylinders App 20150208571 - Hahn; Dustan ; et al.	2015-07-30
Seed Disc With Integrated Drive App 20150189826 - Wilhelmi; Matthew J. ; et al.	2015-07-09
Adjustable basketball goal Grant 5,211,393 - Rolffs , et al. May 18, 1	1993-05-18

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