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

"Inventing is a combination of brains and materials. The more brains you use, the less material you need."

Charles Kettering

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.

Class 396/181 - Shutter controlled by explosive force of flash device

Subclass of Class 396 - Photography
Definition: Subject matter wherein a flash device includes a combustible
No. of patents: 0