List of relevant documents obtained in manual indexing
    TT9495-940427-165493 (patent)-
    TT9495-940502-166202 +
    TT9495-940816-180190 (patent)-
    TT9495-940817-180329 (patent)-
    TT9495-950107-201793 -
    TT9495-950205-205800 
    TT9495-950206-205994 -
    TT9495-950207-206153 -
    TT9495-950207-206192 -
    TT9495-950219-207995 +
    TT9495-950225-209090 (patent)
    TT9495-950226-209091 +
    TT9495-950309-210789 (patent)
    TT9495-950311-211204 
    TT9495-950413-216208 (patent)
    TT9495-950427-218102 +
    TT9495-950825-234301 
    TT9495-951028-243644 (mistake)