关于美国专利号的疑问

有的美国专利号（已授权专利）是这样的：RE35746
前面的RE是什么意思？
请明白人给个答案。多谢多谢。

Reissue patent.  Under the US patent law, a patentee can request the USPTO to \"reissue\" an issued patent to correct mistakes.

milky wrote:
Reissue patent.  Under the US patent law, a patentee can request the USPTO to \"reissue\" an issued patent to correct mistakes.

See it clearly!
Thank you so much!