Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9003890 | Spiral concentrically wound bourdon tube | Gavin Chandler | 2015-04-14 |
| 6311779 | Signalling fire extinguisher assembly | Brendan T. McSheffrey, John McSheffrey | 2001-11-06 |
| 6302218 | Signalling portable pressurized equipment assembly | Brendan T. McSheffrey, John McSheffrey | 2001-10-16 |
| 5848651 | Signalling fire extinguisher assembly | Brendan T. McSheffrey, John McSheffrey | 1998-12-15 |