Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5974757 | Privacy enclosure | Leland R. Whitney, Thomas J. Scanlan, Charles A. Marttila, Ronald W. Gerdes, David W. Schilling +1 more | 1999-11-02 |
| 5813180 | Privacy enclosure | Leland R. Whitney, Thomas J. Scanlan, Charles A. Marttila, Ronald W. Gerdes, David W. Schilling +1 more | 1998-09-29 |
| 5658656 | Use of materials comprising microbubbles as acoustical barriers | Leland R. Whitney, Michael W. Dolezal, Ronald W. Gerdes, Gary N. Harvieux, Charles A. Marttila +1 more | 1997-08-19 |
| 5504281 | Perforated acoustical attenuators | Leland R. Whitney, Thomas J. Scanlan, Charles A. Marttila | 1996-04-02 |
| 4319623 | Window structure including a sheet of polymeric film | Gerald P. Krogseng, George L. Ruth | 1982-03-16 |