IFI

Patent Intelligence & Technology Report

Class Distribution for 1990-1999 

305 - WHEEL SUBSTITUTES FOR LAND VEHICLES (IPC B62D)

       1999  1998  1997  1996  1995  1994  1993  1992  1991  1990  Total

INA WALZLAGER SCHAEFFLER OHG DE
          0     0     0     0     0     0     0     0     0     1      1
NATIONAL RESEARCH COUNCIL OF CANADA CA
          0     0     0     0     0     0     0     0     0     1      1

Total     0     0     0     0     0     0     0     0     0     2      2