RL

Roger D. Lemmen

📍 Holland, MI: #255 of 1,299 inventorsTop 20%
🗺 Michigan: #15,670 of 86,293 inventorsTop 20%
Overall (All Time): #889,282 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5536070 Adjustable ergonomic arm rest 1996-07-16
5513897 Vehicle seat 1996-05-07
5493935 User supporting steering wheel 1996-02-27
5417645 Flexible wrist splint for carpal tunnel syndrome treatment 1995-05-23
5327902 Apparatus for use in nerve conduction studies 1994-07-12
4774966 Carpal tunnel syndrome screening device 1988-10-04