DM

Douglas J. Medema

BH Bissell Homecare: 112 patents #1 of 244Top 1%
BI Bissell: 7 patents #37 of 205Top 20%
RI Richard-Allan Medical Industries: 6 patents #1 of 22Top 5%
HM Herman Miller: 1 patents #250 of 427Top 60%
IC Imagyn Medical Technologies California: 1 patents #4 of 17Top 25%
📍 Oldsmar, FL: #2 of 274 inventorsTop 1%
🗺 Florida: #85 of 67,251 inventorsTop 1%
Overall (All Time): #8,713 of 4,157,543Top 1%
128
Patents All Time

Issued Patents All Time

Showing 101–125 of 128 patents

Patent #TitleCo-InventorsDate
D451655 Handle for an upright extractor Kenneth L. Roberts 2001-12-04
D439384 Extractor base 2001-03-20
D439380 Upright deep cleaning machine Jose Carlito Santiago, Kevin T. Downey 2001-03-20
D435708 Handle assembly for an upright deep cleaner Brandon R. Wendt 2000-12-26
D430715 Design for a handle for vacuum cleaner Trent A. Eekhoff 2000-09-05
D430365 Portable vacuum cleaner Kenneth L. Roberts 2000-08-29
D430369 Handle for an upright vacuum cleaner Trent A. Eekhoff 2000-08-29
D429041 Upright vacuum cleaner Trent A. Eekhoff 2000-08-01
D426037 Portable vacuum cleaner Kenneth L. Roberts 2000-05-30
D420179 Upright deep cleaner base Brandon R. Wendt 2000-02-01
D419733 Vacuum tool 2000-01-25
D418266 Upright vacuum cleaner Jose Carlito Santiago 1999-12-28
D416089 Endoscopic linear stapling and dividing surgical instrument Scott N. Barton 1999-11-02
5941852 Trocar assembly David A. Dunlap, Hugh Melling, Jeffrey W. Zerfas 1999-08-24
5855566 Trocar assembly David A. Dunlap, Hugh Melling, Jeffrey W. Zerfas 1999-01-05
5836046 Portable water extraction cleaner Eric C. Huffman, Robert Coon 1998-11-17
5715566 Cleaning machine with a detachable cleaning module James M. Weaver, Giovanni Pino, Marc D. Zuiderveen, Steven R. Umbach 1998-02-10
D387518 Upper housing of a cleaning machine 1997-12-09
D387522 Base of a cleaning machine 1997-12-09
D383882 Accessory hose storage rack 1997-09-16
D381481 Portable water extraction cleaner housing Robert Coon 1997-07-22
D381482 Combined hose and storage rack Robert Coon 1997-07-22
5538509 Trocar assembly David A. Dunlap, Hugh Melling, Jeffrey W. Zerfas 1996-07-23
D364924 Trocar 1995-12-05
D354562 Trocar site stabilizer 1995-01-17