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

Icon_funbox Did You Know...

...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!

Newsletter  PatentStorm News

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: Gebruder Heller GmbH, Werkzeugfabrik


Location: AchimUphusen, DE
No. of patents: 1

NumberTitleIssue Date
4702651Tool holder for drilling machines, drilling device as well as drills and set of drills
1. A tool holder for drilling machines, drilling devices as well as drills and drill sets. 2. The tool holder, which is developed as a multi-jaw chuck, has a cylindrical bore 326 into which, with maximum opening of the holder, the jaws 322 engage, or the ...
10/27/1987
 
Sign InRegister
Username  
Password   
forgot password?