Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7928851 | Personal alarm system for obtaining assistance from remote recipients | Kam Fung | 2011-04-19 |
| 7912185 | System and method for providing the precise location of a cell phone making an emergency call | — | 2011-03-22 |
| 7486194 | Personal alarm system for obtaining assistance from remote recipients | Kam Fung | 2009-02-03 |
| 5593391 | Ampule safety syringe | — | 1997-01-14 |
| 5403288 | Safety sleeve for dental syringe | — | 1995-04-04 |
| 5330440 | Reverse thread carpule dental safety syringe | Arthur Makosinski, Rodney Katz | 1994-07-19 |