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

A lighter for tobacco products suppresses the urge to smoke by operant conditioning.

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: Kawada Kogyo K.K.

Location: Toyama, JP
No. of patents: 1

Number	Title	Issue Date
4665578	Streamlined box girder type suspension bridge A streamlined box girder type suspension bridge comprises a plurality of towers for supporting the cables, and the center main span and side spans comprising streamlined box girders suspended by a plurality of hangers from the cables. An additional mass o...	05/19/1987