We use cookies on our site to analyze traffic, enhance your experience, and provide you with tailored content.

For more information visit our privacy policy.

Free Standard Templates

Explore a free library of open-source, peer-reviewed contract standards, adopted by thousands of business around the world and signed millions of times.

Explore Now
oneSaaS-badge

U.S. Patent # Dated ------------- ----- 4,520,139 5/28/85 4,530,777 7/23/85 4,515,638 5/7/85 4,521,544 6/4/85 RC 31-757 reissue of 4,291,129 12/4/84 4,417,998 11/29/83 4,400,475 8/23/83 4,291,129 9/22/81 Patent application 07,490,136 3/13/90