Frederick, You wrote:
[snip] > For penance you might help me find a patent by R.J. White (prior to 1974) at the > Chevron Research Labs (Richmond, California ?) Try espacenet at: http://ep.espacenet.com/search97cgi/s97_cgi.exe?Action=FormGen&Template=ep/e n/advanced.hts Use White as the inventor and Chevron as the applicant and you'll find his patents prior to '74. Jon F

