Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11982388 | Connector assembly for adhesive dispensers | Peter C. Garrigus | 2024-05-14 |
| 9963880 | Membrane roofing | David P. Kraus, Jr., Derrick Slowikowski, Ernesto S. Tachauer, William H. Shepard, Howard A. Kingsford +1 more | 2018-05-08 |
| 9752326 | Membrane roofing | David P. Kraus, Jr., Derrick Slowikowski, Ernesto S. Tachauer, William H. Shepard, Howard A. Kingsford +1 more | 2017-09-05 |
| 9637926 | Membrane roofing | David P. Kraus, Jr., Derrick Slowikowski, Ernesto S. Tachauer, William H. Shepard, Howard A. Kingsford +1 more | 2017-05-02 |
| 8562769 | Forming construction underlayment | David P. Kraus, Jr., Derrick Slowikowski, Ernesto S. Tachauer, William H. Shepard, Howard A. Kingsford +1 more | 2013-10-22 |