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

"That’s an amazing invention, but who would ever want to use one of them?"

President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House

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: Identigrade

Location: NewOrleans, LA
No. of patents: 1

Number	Title	Issue Date
5133019	Systems and methods for illuminating and evaluating surfaces Systems and methods for illuminating an object surface with light at varying angles of incidence and for optically evaluating the object surface for features and defects, etc. are disclosed. In a specific implementation the systems and methods, the target...	07/21/1992