Dave Keener

MB Midwest Brake Bond: 4 patents #2 of 4Top 50%

📍 Port Huron, MI: #31 of 166 inventorsTop 20%

🗺 Michigan: #22,048 of 86,293 inventorsTop 30%

Overall (All Time): #1,260,531 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
7143884	Bi-directional clutch unit	—	2006-12-05
6619457	Bi-directional clutch unit	—	2003-09-16
6422364	Press drive with oil shear clutch/brake units	—	2002-07-23
6419060	Clutch/brake drive	—	2002-07-16