Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6990772 | Automatic door closure for double-acting doors | Bryce Larrabee | 2006-01-31 |
| 5780785 | Acoustic absorption device and an assembly of such devices | — | 1998-07-14 |
| 5768723 | Audiometric crib for infants | — | 1998-06-23 |
| D378316 | Infant audiometric chamber | — | 1997-03-04 |
| 5459972 | Impact door construction and method of manufacture | — | 1995-10-24 |
| 5210984 | Audiometric booth | — | 1993-05-18 |
| 4951351 | Automatic closure mechanism for double-acting doors | — | 1990-08-28 |
| 4945606 | Door cam hardware with door post mounted cam | — | 1990-08-07 |
| 4570384 | Door mount and door nose | — | 1986-02-18 |