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

A self contained protective enclosure with an opening for entry and egress and a screen for ventilation and viewing.

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: Willard Industries, Inc.

Location: Charlotte, NC
No. of patents: 1

Number	Title	Issue Date
4806309	Tin base lead-free solder composition containing bismuth, silver and antimony A lead-free solder composition of approximately 90% to 95% by weight tin, approximately 3% to 5% by weight antimony, approximately 1% to 4.5% by weight bismuth, and approximately 0.1% to 0.5% by weight silver....	02/21/1989