The patent number you gave does not look like a US patent number.
Patent type of U.S. patent:
Patent type input format
Utility: Utility patent (us) 5146634/5, 146, 634/ 5146634 5146635
p>'D' for design patents, design patent D339456
'PP' for plant patents, plant patent PP8901
'R' for reissue patents, re-issued patent RE35312
'T' for defensive publications, defensive announcement T109201
'H' for SIRs, statutory invention registration patent H109201
'X' for X patents, Utility patent If the number of digits of the patent number is less than 7 digits, use "0" in front of the number.
From January 1, 2004, the format is a 4-digit year,
followed by a six-digit serial number,
such as WO2004001234
p>I follow 0659347 and 0702253 in /s?wd=D6D0CDE2D7A8C0FBCEC4CFD7BCECCBF7BCB0BBF1C8A1amp;cl=3