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Roy Luedtke Jr.
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Grand Forks County, ND, US
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Patents Grants
last 30 patents
Information
Patent Grant
Inbred maize line PH3PG
Patent number
6,818,811
Issue date
Nov 16, 2004
Pioneer Hi-Bred International, Inc.
Roy Luedtke
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Inbred maize line PH3PV
Patent number
6,737,566
Issue date
May 18, 2004
Pioneer Hi-Bred International, Inc.
Roy Luedtke
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Inbred maize line PH4V6
Patent number
6,706,954
Issue date
Mar 16, 2004
Pioneer Hi-Bred International, Inc.
Roy Luedtke
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Maize PH8W4
Patent number
6,600,095
Issue date
Jul 29, 2003
Pioneer Hi-Bred International, Inc.
Roy Luedtke
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Inbred maize line PH4TW
Patent number
6,388,179
Issue date
May 14, 2002
Pioneer Hi-Bred International, Inc.
Roy Luedtke
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Inbred maize line PH4TV
Patent number
6,313,383
Issue date
Nov 6, 2001
Pioneer Hi-Bred International, Inc.
Roy Luedtke
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Hybrid maize plant and seed 39Y85
Patent number
6,259,005
Issue date
Jul 10, 2001
Pioneer Hi-Bred International, Inc.
Roy Luedtke
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Inbred maize line PH3P0
Patent number
6,184,445
Issue date
Feb 6, 2001
Pioneer Hi-Bred International, Inc.
Roy Luedtke
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Inbred maize line PH0DH
Patent number
6,153,817
Issue date
Nov 28, 2000
Pioneer Hi-Bred International, Inc.
Roy Luedtke
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Inbred maize line PH189
Patent number
6,118,054
Issue date
Sep 12, 2000
Pioneer Hi-Bred International, Inc.
Roy Luedtke
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Hybrid maize plant & seed 38B50
Patent number
6,091,006
Issue date
Jul 18, 2000
Pioneer Hi-Bred International, Inc.
Roy Luedtke
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Hybrid maize plant and seed 39K72
Patent number
6,037,530
Issue date
Mar 14, 2000
Pioneer Hi-Bred International, Inc.
Roy Luedtke
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Inbred maize line PHFW4
Patent number
5,977,451
Issue date
Nov 2, 1999
Pioneer Hi-Bred International, Inc.
Roy Luedtke
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Hybrid maize plant & seed 39T68
Patent number
5,977,457
Issue date
Nov 2, 1999
Pioneer Hi-Bred International, Inc.
Roy Luedtke
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Hybrid maize plant and seed 39K38
Patent number
5,973,237
Issue date
Oct 26, 1999
Pioneer Hi-Bred International, Inc.
Roy Luedtke
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Inbred maize line PH185
Patent number
5,942,671
Issue date
Aug 24, 1999
Pioneer Hi-Bred International, Inc.
Roy Luedtke
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Hybrid maize plant and seed (39K72)
Patent number
5,859,319
Issue date
Jan 12, 1999
Pioneer Hi-Bred International, Inc.
Roy Luedtke
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Hybrid maize plant & seed (3914)
Patent number
5,750,842
Issue date
May 12, 1998
Pioneer Hi-Bred International, Inc.
Roy Luedtke
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Hybrid maize plant & seed (3941)
Patent number
5,750,838
Issue date
May 12, 1998
Pioneer Hi-Bred International, Inc.
Vladimir Puskaric
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Inbred maize line PH47A
Patent number
5,750,835
Issue date
May 12, 1998
Pioneer Hi-Bred International, Inc.
Roy Luedtke
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Hybrid maize plant & seed (3940)
Patent number
5,750,843
Issue date
May 12, 1998
Pioneer Hi-Bred International, Inc.
Roy Luedtke
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Hybrid maize plant and seed (3970)
Patent number
5,728,920
Issue date
Mar 17, 1998
Pioneer Hi-Bred International, Inc.
Roy Luedtke
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Inbred corn line PHDD6
Patent number
5,625,129
Issue date
Apr 29, 1997
Pioneer Hi-Bred International, Inc.
Roy Luedtke
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Inbred corn line PHAAO
Patent number
5,602,317
Issue date
Feb 11, 1997
Pioneer Hi-Bred International, Inc.
Roy Luedtke
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Hybrid maize plant & seed (3936)
Patent number
5,585,538
Issue date
Dec 17, 1996
Pioneer Hi-Bred International, Inc.
Roy Luedtke
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Hybrid maize plant & seed (3951)
Patent number
5,574,209
Issue date
Nov 12, 1996
Pioneer Hi-Bred International, Inc.
Vladimir Puskaric
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Hybrid corn plant (3893)
Patent number
5,574,208
Issue date
Nov 12, 1996
Pioneer Hi-Bred International, Inc.
Roy Luedtke
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Inbred corn line PHKM5
Patent number
5,491,286
Issue date
Feb 13, 1996
Pioneer Hi-Bred International, Inc.
Roy Luedtke
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Hybrid corn plant and seed (3905)
Patent number
5,491,287
Issue date
Feb 13, 1996
Pioneer Hi-Bred International, Inc.
Roy Luedtke
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Inbred corn line PHRE1
Patent number
5,416,254
Issue date
May 16, 1995
Pioneer Hi-Bred International, Inc.
Roy Luedtke
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Patents Applications
last 30 patents
Information
Patent Application
Plant breeding method
Publication number
20050144664
Publication date
Jun 30, 2005
PIONEER HI-BRED INTERNATIONAL, INC.
Oscar S. Smith
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING