Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7151351 | Method, system and apparatus for opening doors | John Piechowiak, James St. Pierre, Peter Wolfe, Donald Pastor | 2006-12-19 |
| 6624605 | Method, system and apparatus for opening doors | Joel Powder, John Piechowiak, James St. Pierre, Peter Wolfe, Donald Pastor | 2003-09-23 |