Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10564314 | Automatic door installation and method of determining the presence of an obstacle | John Curzon | 2020-02-18 |
| 10190353 | Automatic door installation | John Curzon | 2019-01-29 |
| 10087049 | Method of testing an optical sensor | John Curzon | 2018-10-02 |
| 9964664 | Method and sensing apparatus for elevator safety systems | — | 2018-05-08 |
| 9797184 | Method of operating an automatic door installation | John Curzon | 2017-10-24 |
| 8947295 | Low clutter method for bistatic RCS measurements | — | 2015-02-03 |
| 6666143 | Obscurant device | — | 2003-12-23 |
| 5903946 | Pipe cleaning device | Vyvian Anthony Cox | 1999-05-18 |
| 5556906 | Adhesive composition | Yoshikazu Yazaki | 1996-09-17 |
| 5417888 | Tannin extraction and processing | Yoshikazu Yazaki | 1995-05-23 |
| 5374678 | Adhesive | Michael J. Delaney, Yoshikazu Yazaki | 1994-12-20 |