Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5319541 | Machine-aided method for the selection of roofing systems and the generation of specifications thereof | William K. Blanchard, Helene Hardy-Pierce, William Shipman, Vernon McIntyre | 1994-06-07 |