DJ

Douglas A. Johnson

📍 Riverview, FL: #1 of 13 inventorsTop 8%
🗺 Florida: #109 of 3,961 inventorsTop 3%
Overall (2003): #10,357 of 273,478Top 4%
5
Patents 2003

Issued Patents 2003

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6629399 Induction foil cap sealer employing litz wire coil Frederick W. Sarles 2003-10-07
6566634 Induction driven power supply for circuits accompanying portable heated items Stephen B. Boyd 2003-05-20
6547220 Open loop control with velocity threshold for pneumatic hoist 2003-04-15
6540647 Water rehabilitation device Robert J. Spooner 2003-04-01
6534753 Backup power supply charged by induction driven power supply for circuits accompanying portable heated container Stephen B. Boyd 2003-03-18