Douglas A. VanderHoff

KC Keisei Medical Industrial Co.: 1 patents #3 of 7Top 45%

KM Kmw: 1 patents #96 of 206Top 50%

📍 Grand Rapids, MI: #1,022 of 1,824 inventorsTop 60%

🗺 Michigan: #49,615 of 86,293 inventorsTop 60%

Overall (All Time): #3,929,306 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4835802	Fluidization patient support control system	Larry J. Purcey, Robert H. Vreeland, James P. Nielsen, Iowa Ueno	1989-06-06