Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873808 | Spacer block for standing seam roof | Raymond K. Heisey, Jr., Arturo C. Mariano, Vernon L. Thurnau | 1989-10-17 |
| 4543760 | Attachment clip unit for standing seam roof | Raymond K. Heisey, Jr., Arturo C. Mariano | 1985-10-01 |