Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5009386 | Pipe hanger and support | Richard C. Berger | 1991-04-23 |
| 4887399 | Soundproof roof curb | Richard C. Berger | 1989-12-19 |
| 4598503 | Vibration absorption mounting for a rooftop air handling unit or the like (II) | Richard C. Berger | 1986-07-08 |
| 4513939 | Vibration absorption mounting for a rooftop air handling unit | Richard C. Berger | 1985-04-30 |