Inventor

Roy Luedtke, Jr.

Inventor

Ankeny, IA, US

Overview

1995–2008

Patent span

Human necessities

Primary field (CPC A)

Patents· 38 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A01Hprimary

A01HNew plants or non-transgenic processes for obtaining them73%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests27%

PatentTitleYear

7,414,180'Inbred maize line PH183'2008 7,414,179'Inbred maize line PH3PR'2008 7,317,145'Inbred maize line PH3PV'2008 7,291,773'Inbred maize line PH3PG'2007 7,262,345'Inbred maize line PH4V6'2007 7,009,093'Inbred maize line PH183'2006 6,972,356'Inbred maize line PH3PR'2005 6,818,811'Inbred maize line PH3PG'2004 6,737,566'Inbred maize line PH3PV'2004 6,706,954'Inbred maize line PH4V6'2004 6,600,095'Maize PH8W4'2003 6,388,179'Inbred maize line PH4TW'2002 6,313,383'Inbred maize line PH4TV'2001 6,259,005'Hybrid maize plant and seed 39Y85'2001 6,184,445'Inbred maize line PH3P0'2001 6,153,817'Inbred maize line PH0DH'2000 6,118,054'Inbred maize line PH189'2000 6,091,006'Hybrid maize plant & seed 38B50'2000 6,037,530'Hybrid maize plant and seed 39K72'2000 5,977,457'Hybrid maize plant & seed 39T68'1999 5,977,451'Inbred maize line PHFW4'1999 5,973,237'Hybrid maize plant and seed 39K38'1999 5,942,671'Inbred maize line PH185'1999 5,859,319'Hybrid maize plant and seed (39K72)'1999 5,750,838'Hybrid maize plant & seed (3941)'1998 5,750,842'Hybrid maize plant & seed (3914)'1998 5,750,835'Inbred maize line PH47A'1998 5,750,843'Hybrid maize plant & seed (3940)'1998 5,728,920'Hybrid maize plant and seed (3970)'1998 5,625,129'Inbred corn line PHDD6'1997 5,602,317'Inbred corn line PHAAO'1997 5,585,538'Hybrid maize plant & seed (3936)'1996 5,574,208'Hybrid corn plant (3893)'1996 5,574,209'Hybrid maize plant & seed (3951)'1996 5,491,287'Hybrid corn plant and seed (3905)'1996 5,491,286'Inbred corn line PHKM5'1996 5,416,254'Inbred corn line PHRE1'1995 5,387,755'Inbred corn line PHFA5'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2008Patents assigned to PIONEER HI BRED INT (38)· patent assignee history

1995–1998Based in Thompson, ND, US· patent location history

1995–1996Based in Grand Forks, ND, US· patent location history

1999–2008Based in Ankeny, IA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PIONEER HI BRED INT	38	1995–2008

Locations

Location	Patents	Span
Ankeny, IA, US	24	1999–2008
Thompson, ND, US	11	1995–1998
Grand Forks, ND, US	3	1995–1996