Inventor
DIRR MICHAEL
US30 patents
⚠️ This page may combine multiple inventors who share the name “DIRR MICHAEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PREMIER INTRODUCTIONS INC
19 patentsUSPP37350P2Mar 31, 2026
Distylium plant named ‘T3-01-22’
PREMIER INTRODUCTIONS INC0 citations62
USPP37257P2Feb 10, 2026
Hydrangea plant named ‘SC-04-20’
PREMIER INTRODUCTIONS INC0 citations62
USPP37107P2Nov 25, 2025
Hydrangea plant named ‘RNR X AS-01-22’
PREMIER INTRODUCTIONS INC0 citations62
USPP36912P2Sep 2, 2025
Distylium plant named ‘EH-60-22’
PREMIER INTRODUCTIONS INC0 citations62
USPP36786P2Jul 1, 2025
Distylium plant named ‘CG-46-22’
PREMIER INTRODUCTIONS INC0 citations62
USPP36746P2Jun 17, 2025
Loropetalum plant named ‘LRD-18-20’
PREMIER INTRODUCTIONS INC0 citations62
USPP36424P2Feb 4, 2025
Loropetalum plant named ‘LRD-51-22’
PREMIER INTRODUCTIONS INC0 citations62
USPP36324P2Dec 17, 2024
Buddleia plant named ‘BD-02-21’
PREMIER INTRODUCTIONS INC0 citations62
USPP36308P2Dec 10, 2024
Baptisia plant named ‘PIIBAP-01-21’
PREMIER INTRODUCTIONS INC0 citations62
USPP36255P2Nov 19, 2024
Baptisia plant named ‘PIIBAP-06-21’
PREMIER INTRODUCTIONS INC0 citations62
USPP36142P2Sep 24, 2024
Gardenia plant named ‘ST-15-20’
PREMIER INTRODUCTIONS INC0 citations62
USPP35470P2Nov 14, 2023
Abelia plant named ‘ABLR-PII’
PREMIER INTRODUCTIONS INC0 citations62
USPP35292P2Aug 1, 2023
Lagerstroemia plant named ‘BD-01-20’
PREMIER INTRODUCTIONS INC0 citations62
USPP35243P2Jul 4, 2023
Lantana plant named ‘PII-LC1’
PREMIER INTRODUCTIONS INC0 citations62
USPP35127P2Apr 25, 2023
Hydrangea plant named ‘SC-05-20’
PREMIER INTRODUCTIONS INC0 citations62
USPP35125P2Apr 25, 2023
Hydrangea plant named ‘RLL-12-20’
PREMIER INTRODUCTIONS INC0 citations62
USPP35124P2Apr 25, 2023
Hydrangea plant named ‘CE-01-20’
PREMIER INTRODUCTIONS INC0 citations62
USPP34958P2Jan 31, 2023
Gardenia plant named ‘ST-07-20’
PREMIER INTRODUCTIONS INC1 citations62
USPP34955P2Jan 31, 2023
Loropetalum plant named ‘LRD-02-20’
PREMIER INTRODUCTIONS INC0 citations62
DIRR MICHAEL
5 patentsUSPP32584P2Dec 8, 2020
Hydrangea plant named ‘COF-HM3’
DIRR MICHAEL1 citations60
USPP32242P2Sep 29, 2020
Hydrangea plant named ‘COF-HM2’
DIRR MICHAEL0 citations50
USPP32054P2Aug 11, 2020
Hydrangea plant named ‘COF-HM1’
DIRR MICHAEL0 citations50
USPP22742P2May 22, 2012
Punica granatum plant named ‘Orange Blossom Special’
DIRR MICHAEL0 citations50
USPP22510P2Feb 21, 2012
Gardenia augusta plant named ‘PIIGA-I’
DIRR MICHAEL0 citations50
PLANT INTRODUCTIONS INC
4 patentsUSPP19548P2Dec 2, 2008
Lantana plant named ‘Chapel Hill Yellow’
PLANT INTRODUCTIONS INC8 citations72
USPP21227P3Aug 24, 2010
Hydrangea arborescens plant named ‘PIIHA-I’
PLANT INTRODUCTIONS INC3 citations61
USPP23387P3Feb 12, 2013
Hydrangea paniculata plant named ‘PIIHP-I’
PLANT INTRODUCTIONS INC1 citations51
USPP21031P3Jun 1, 2010
Punica granatum plant named ‘PIIPG-I’
PLANT INTRODUCTIONS INC0 citations51