Patents per Year
Top Inventors at Met-Coil System All Time
Showing 1–10 of 10 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Ashok Shah | 6 |
| 1 | John J. Toben | 6 |
| 1 | Michael C. Borwig | 6 |
| 1 | Richard Blum | 6 |
| #5 | Gary Dickinson | 2 |
| #6 | Howard J. McElroy | 1 |
| #6 | Jairo Munoz | 1 |
| #6 | John M. Zlatohlavek | 1 |
| #6 | Leland M. Rieck | 1 |
| #6 | William V. Goodhue | 1 |
Most Valuable Patents
| Patent | Est. Value | Year |
|---|---|---|
| Duct joining system | $212K | 1991 |
| Cornerless slip-on flange system for duct connections | $202K | 1995 |