Patents per Year
Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 9687618 | Ventilation harm index | Tom Steinhauer, Thomas George, Mark Rogers, Glen N. Gee | 2017-06-27 | |
| 5456149 | Sizing system for window coverings | John A. Elsenheimer, Jeffrey L. Sands, Joseph S. Cannova | 1995-10-10 | $24,836,000 |
| 5348068 | Mini blind head rail | John A. Elsenheimer | 1994-09-20 | $16,658,000 |