ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,860, issued on Sept. 30.

"Attachment device and support system for a roof jack" was invented by Russell N. Bancroft (Simi Valley, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An attachment device and support system for a roof jack. The attachment device has a hook end that is inserted into an opening at one end of the support platform and a friction fit is formed between the hook end of the attachment device and the opening of the support platform. The attachment device also has two side walls where the width of a gap between the sidewalls equals the width of a vertical crossmember of the support platform, creating a friction fit between t...