Donald L. Ries

RI Rockwell International: 4 patents #200 of 2,155Top 10%

📍 Dearborn Heights, MI: #91 of 429 inventorsTop 25%

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

Overall (All Time): #1,304,266 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
4736821	Fluid cooled friction brake	—	1988-04-12
4468981	Drive axle and fluid pump assembly	—	1984-09-04
4405135	Wheel hub and spindle seal	—	1983-09-20
RE30381	Flexible rotary coupling	—	1980-08-26