Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12326022 | Door assembly for selectively interlocking opposing doors | Ayako Takase, Robert Hutton, IV, Patrick Grossman, Lynn K. Van Sickle, Tommy Leon Knight +1 more | 2025-06-10 |
| 11952814 | Door assembly for selectively interlocking opposing doors | Ayako Takase, Robert Hutton, IV, Patrick Grossman, Lynn K. Van Sickle, Tommy Leon Knight +1 more | 2024-04-09 |
| 11542733 | Door assembly for selectively interlocking opposing doors | Ayako Takase, Robert Hutton, IV, Patrick Grossman, Lynn K. Van Sickle, Tommy Leon Knight +1 more | 2023-01-03 |
| 10808438 | Door assembly for selectively interlocking opposing doors | Ayako Takase, Robert Hutton, IV, Patrick Grossman, Lynn K. Van Sickle, Tommy Leon Knight +1 more | 2020-10-20 |