RR

Robert T. Ruthven

SD Steelcase Development: 1 patents #261 of 472Top 60%
Overall (All Time): #3,496,024 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6821367 Ultrasonic tool and method for securing a covering to a frame Douglas B. MacDonald, Daniel V. Constantino, Dean K. Hubbard, Daniel M. Ursul, Larry B. Hanify 2004-11-23