Dorr, Carson, Sloan & Birney, PC - US Patent Attorneys and Agents

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

"Fooling around with alternating current is just a waste of time. Nobody will use it, ever."

Thomas Edison ; 1889

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.

Number of patents: 1
Last date: August 27, 1996

Number	Title	Issue Date
5550359	Time and attendance system and method therefor A system and method for rapidly recording employee time and attendance information. A user identification document is provided which contains identification information in the form of a bar code. The user places the document in a three-dimensional scannin...	08/27/1996