1. http://www.uspto.gov/patft/index.html
2. Issued Patents
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4. Term 1: 09/394,616
You will get
United States Patent 6,341,665
Zhou , et al. January 29, 2002
Its Publication No. is 6,341,665
5. http://ep.espacenet.com/advancedSearch?locale=en_EP
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Publication number: US6341665
You will get
\"Retractable counterweight for straight-boom aerial work platform\"
View INPADOC patent family
14 family members for: US6341665
No. 6
Withdrawing-back balancing wt. for straight beam type high above ground platform
Publication info: CN1287966A
2001-03-21
Done |