Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D765061 | Microphone base | — | 2016-08-30 |
| 8189842 | Low handling noise vocal microphone | — | 2012-05-29 |
| 7308016 | System and method for securing signals | — | 2007-12-11 |
| 6887553 | Roll of longitudinally folded masking material | James F. Pitzen, Jeffrey J. Schwab | 2005-05-03 |
| 6120867 | Removable tape laminate | Michael D. Hamerski | 2000-09-19 |
| 5791586 | Masking device hub providing two position tape support | James D. Cayford, Philip V. Sadrakula, Stanley W. Widmer | 1998-08-11 |
| 5667626 | Masking device hub providing two position tape support | James D. Cayford, Philip V. Sadrakula, Stanley W. Widmer | 1997-09-16 |
| 5593771 | Barrier laminate and method using a portable carrier for sealing gaps in building construction | Joseph D. Lawless, Scott R. Pribnow, Duncan Russell | 1997-01-14 |
| 5374477 | Barrier laminate and method for sealing gaps in building construction | Joseph D. Lawless, Scott R. Pribnow, Duncan Russell | 1994-12-20 |
| 5269871 | Tape applying device | Frederic A. Longworth | 1993-12-14 |
| 4990214 | Masking device with tape tracking member | Frederic A. Longworth, Allen J. Rivard | 1991-02-05 |
| 4981537 | Tape laminating device | Frederic A. Longworth | 1991-01-01 |
| 4915769 | Masking machine | Frederic A. Longworth, Allen J. Rivard | 1990-04-10 |
| 4413221 | Method and circuit for determining battery capacity | Fred W. Benjamin | 1983-11-01 |