Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10480812 | Damper access assembly, clamp assembly, and clamp member | Michael N. Sandman | 2019-11-19 |
| 10012333 | Fluid conditioning devices and assemblies | Michael N. Sandman | 2018-07-03 |
| 9551505 | Damper access assembly, clamp assembly, and clamp member | Michael N. Sandman | 2017-01-24 |
| 9341291 | Damper access assembly | Michael N. Sandman | 2016-05-17 |
| D737133 | Clamping member | Michael N. Sandman | 2015-08-25 |
| D736072 | Clamping member | Michael N. Sandman | 2015-08-11 |
| 8584497 | Flange-forming system for tube and related methods | Michael N. Sandman | 2013-11-19 |
| 8322758 | Tube coupling and related methods | Michael N. Sandman | 2012-12-04 |
| 7997112 | Flange-forming system for tube and related methods | Michael N. Sandman | 2011-08-16 |
| 7523964 | Sealing gasket for ventilation duct system | Michael N. Sandman | 2009-04-28 |
| D534253 | Gasket | Michael N. Sandman | 2006-12-26 |
| D529598 | Portion of ductwork | Michael N. Sandman | 2006-10-03 |
| D521147 | Portion of ductwork | Michael N. Sandman | 2006-05-16 |