Hartmann; Richard O.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hartmann; Richard O..The latest application filed is for "black urea enhanced efficiency controllable release fertilizer compositions".

Company Profile

3.6.8

Hartmann; Richard O. - Portland OR

*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
Black urea enhanced efficiency controllable release fertilizer compositions Grant 11,407,689 - Hartmann , et al. August 9, 2	2022-08-09
Black Urea Enhanced Efficiency Controllable Release Fertilizer Compositions App 20210070668 - HARTMANN; Richard O. ; et al.	2021-03-11
Fluid ionized compositions, methods of preparation and uses thereof Grant 10,737,987 - Hartmann A	2020-08-11
Fluid Ionized Compositions, Methods Of Preparation And Uses Thereof App 20190322598 - HARTMANN; Richard O.	2019-10-24
Fluid ionized compositions, methods of preparation and uses thereof Grant 10,189,751 - Hartmann Ja	2019-01-29
Fluid Ionized Compositions, Methods Of Preparation And Uses Thereof App 20160244377 - Hartmann; Richard O.	2016-08-25
Fluid ionized compositions, methods of preparation and uses thereof Grant 9,359,263 - Hartmann June 7, 2	2016-06-07
Fluid Ionized Compositions, Methods Of Preparation And Uses Thereof App 20140311200 - Hartmann; Richard O.	2014-10-23
Method for producing stabilized nitrogen compositions Grant 7,785,388 - Hartmann , et al. August 31, 2	2010-08-31
Method for producing stabilized nitrogen compositions App 20080016765 - Hartmann; Richard O. ; et al.	2008-01-24
Stabilized enhanced efficiency controllable release calcium cyanamide compositions App 20040016275 - Hartmann, Richard O. ; et al.	2004-01-29
Stabilized enhanced efficiency controllable release calcium cyanamide compositions Grant 6,576,035 - Hartmann , et al. June 10, 2	2003-06-10
Stabilized enhanced efficiency controllable release calcium cyanamide compositions App 20020121117 - Hartmann, Richard O. ; et al.	2002-09-05

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