Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12030691 | Convertible modular storage, management and utilization system and method | — | 2024-07-09 |
| 11229303 | Modular, multi-function frame system | — | 2022-01-25 |
| 8459307 | Duct fastseam | Ashok Shah, Richard Blum, Michael C. Borwig | 2013-06-11 |
| 7805833 | Duct reinforcement rod and fabrication apparatus | Michael C. Borwig | 2010-10-05 |
| 7681930 | Duct flange | Randy Runyan | 2010-03-23 |
| 7681297 | Duct fastseam | Ashok Shah, Richard Blum, Michael C. Borwig | 2010-03-23 |
| 7234734 | Integral transverse flanges for a duct connecting system | Michael C. Borwig | 2007-06-26 |
| 6981398 | Seam closing apparatus | Michael C. Borwig | 2006-01-03 |
| 5450879 | Cornerless slip-on flange system for duct connections | — | 1995-09-19 |
| 4553418 | Apparatus for producing elongated workpieces of predetermined transverse profile | Herbert M. Stoehr | 1985-11-19 |
| 4464920 | Machine for roller forming metal louvers | Herbert M. Stoehr | 1984-08-14 |