DM

David R. Maas

PP Planetair Turf Products: 31 patents #1 of 2Top 50%
Motorola Mobility: 5 patents #265 of 2,091Top 15%
GE: 1 patents #19,878 of 36,430Top 55%
📍 Owatonna, MN: #7 of 233 inventorsTop 4%
🗺 Minnesota: #1,390 of 52,454 inventorsTop 3%
Overall (All Time): #85,923 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 26–38 of 38 patents

Patent #TitleCo-InventorsDate
7575063 Aerating a ground surface Scott W. Bjorge 2009-08-18
7575064 Soil aeration device Scott W. Bjorge 2009-08-18
7451831 Soil aerator Scott W. Bjorge 2008-11-18
7438136 Aeration device Scott W. Bjorge 2008-10-21
7341115 Soil aerator assembly Scott W. Bjorge 2008-03-11
7290619 Soil aeration device Scott W. Bjorge 2007-11-06
7204317 Aerating a ground surface Scott W. Bjorge 2007-04-17
7152691 Arcuate aeration tine Scott W. Bjorge 2006-12-26
7096968 Aeration device Scott W. Bjorge 2006-08-29
7070005 Soil aerator assembly Scott W. Bjorge 2006-07-04
7055617 Soil aerator Scott W. Bjorge 2006-06-06
6308334 Convertible costume construction 2001-10-30
D393853 Video entertainment system 1998-04-28