IP Library › Granted Patent US 6,516,960
Granted Patent Utility PCT National Stage
US 6,516,960 · Confirmation No. 3161

METHOD FOR SYNCHRONOUSLY RETRACTING AND EXTENDING TELESCOPIC LENGTHS OF A CRANE

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2001-11-16 ABST Abstract 1 View
2001-11-16 LET. Miscellaneous Incoming Letter 22 View
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Quick Facts
Patent No.
US 6,516,960
App. No.
09/980,396
Filed
2001-11-16
Granted
2003-02-11
Art Unit
3652
PTA
0 days