U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

"Everyone acquainted with the subject will recognize it as a conspicuous failure."

Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

Assignee: Primetool Mfg. Inc.

Location: Taoyuan County, TW
No. of patents: 1

Number	Title	Issue Date
7628571	Tool chucking apparatus A tool chucking apparatus includes a fastening member, a collet, a holding member and an extension member. The fastening member has a first housing space to hold the collet. The collet has pawl structures spaced in an annular manner and formed in a conical structure...	12/08/2009