Dennis Zacharkow

📍 Rochester, MN: #1,297 of 3,042 inventorsTop 45%

🗺 Minnesota: #19,064 of 52,454 inventorsTop 40%

Overall (All Time): #1,641,672 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
D401801	Sacral-thoracic support cushion unit	—	1998-12-01
D329771	Adjustable backrest	—	1992-09-29
4981325	Posture support with multi-planar adjustment	—	1991-01-01