The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 28, 2006
Filed:
Dec. 16, 2003
Thomas Kevin Mackinnon, Ann Arbor, MI (US);
Joong Youn Kim, Newtown Square, PA (US);
Richard Allan Snyder, Eagleville, PA (US);
Husnu M. Kalkanoglu, Swarthmore, PA (US);
Gregory F. Jacobs, Oreland, PA (US);
Thomas Kevin MacKinnon, Ann Arbor, MI (US);
Joong Youn Kim, Newtown Square, PA (US);
Richard Allan Snyder, Eagleville, PA (US);
Husnu M. Kalkanoglu, Swarthmore, PA (US);
Gregory F. Jacobs, Oreland, PA (US);
CertainTeed Corporation, Valley Forge, PA (US);
Abstract
A process of simultaneously molding either a plurality of shingles or double walled shingles or other substantially planar exterior building products is provided, such that a blow moldable thermoplastic material is provided, of a composite parison that is then blow molded in a hollow mold, to produce novel shingles according to the process. Ventilation and/or insulation can be provided to a hollow interior between spaced apart walls of a double walled shingle.