Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10137319 | Carrying system for breathing apparatus | Steven Thurgood, Barry Lewin, Tony Pickett | 2018-11-27 |
| D758563 | Breathing mask | Albert F. Zwolinsky, Kevin Dolan, Sally Leyland | 2016-06-07 |
| D687944 | Blower unit for breathing mask | Albert F. Zwolinsky, Christopher G. Hall, Richard D. Marshal, Sally Leyland, Frank Angear | 2013-08-13 |
| D676129 | Breathing mask | Kevin Dolan, Sally Leyland, Albert F. Zwolinsky | 2013-02-12 |
| D676127 | Breathing mask | Kevin Dolan, Sally Leyland, Albert F. Zwolinsky | 2013-02-12 |
| D676128 | Breathing mask | Kevin Dolan, Sally Leyland, Albert F. Zwolinsky | 2013-02-12 |
| D668758 | Breathing mask | Christopher G. Hall, Sally Leyland, Albert F. Zwolinsky, Frank Angear | 2012-10-09 |
| D668327 | Breathing mask | Christopher Sumner, Sally Leyland, Christopher G. Hall, Frank Angear, Albert F. Zwolinsky | 2012-10-02 |
| D632021 | Harness for carrying breathing apparatus | Steven Thurgood, Barry Lewin, Tony Pickett | 2011-02-01 |
| 4225145 | Skateboard apparatus | — | 1980-09-30 |