HD

Howard Duzan

WN Weyerhaeuser Nr: 10 patents #30 of 578Top 6%
Overall (All Time): #512,607 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
9332690 Method for interplanting energy crops James R. Leist 2016-05-10
9167756 Methods of managing timberland Fred H. Bigelow, Venkatesh H. Kumar, Robert F. Lowery 2015-10-27
8833280 Method for interplanting energy crops James R. Leist 2014-09-16
8807235 Soil treating system and shearing assembly James R. Leist 2014-08-19
8656639 Methods of managing timberland Fred H. Bigelow, Venkatesh H. Kumar, Robert H. Lowery 2014-02-25
8250843 Combination biomass harvester and baler Robert Campbell, James R. Leist 2012-08-28
8065968 Method of timberland management George Bledsoe 2011-11-29
8042300 Methods of managing timberland Fred H. Bigelow, Venkatesh H. Kumar, Robert H. Lowery 2011-10-25
7726250 Method of timberland management George Bledsoe 2010-06-01
7412932 Methods of managing timberland Fred H. Bigelow, Venkatesh H. Kumar, Robert H. Lowery 2008-08-19