Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11313578 | Roller member for use in an apparatus for closing Pittsburgh Seams associated with duct assemblies and other box-shaped members | Dale R. Foster | 2022-04-26 |
| 10976071 | Roller member for use in an apparatus for closing pittsburgh Seams associated with duct assemblies and other box-shaped members | Dale R. Foster | 2021-04-13 |
| 10612812 | Roller member for use in an apparatus for closing Pittsburgh seams associated with duct assemblies and other box-shaped members | Dale R. Foster | 2020-04-07 |
| 10160027 | Apparatus for closing pittsburgh seams associated with duct assemblies and other box-shaped members | Paul Baker | 2018-12-25 |
| 9889489 | Apparatus for closing Pittsburgh seams associated with duct assemblies and other box-shaped members | Dale R. Foster | 2018-02-13 |
| 9623472 | Apparatus for closing pittsburgh seams associated with duct assemblies and other box-shaped members | Dale R. Foster | 2017-04-18 |
| 7926757 | Insulation spool apparatus for lining ductwork | Dale R. Foster | 2011-04-19 |
| 7673915 | Coil handling assembly | — | 2010-03-09 |
| 7288605 | Polymer dye and method for producing the same and its use in light-emitting diodes and other optical components | Hartmut Krueger, Silvia Janietz, Armin Wedel, Juergen Wahl | 2007-10-30 |