Exhibit C is a portion of the National Roofing Contractors Association (NRCA) Roofing and Waterproofing Manual--Fourth Edition (publication date unknown) showing prior flashing and penetration pockets. |
Exhibit D is an article from the Roofer Magazine/Jul. '97 showing use of a pitch pocket with a cementatious curb to solve a long-felt need for a product to seal penetrations in built-up asphalt roofing. |
Exhibit E is Hawley's Condensed Chemical Dictionary/Eleventh Edition. |
Exhibit F is the Guide for the Preparation of Patent Drawings, Oct., 1993. |
Exhibit A is a prior art pitch pocket having a cementatious curb for use with built-up asphalt roofing systems. |
Exhibit B is a portion of the 1997 Modern Plastics Encyclopedia. |