Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6023515 | Mass excited acoustic device | John M. McKee, Irving H. Holden, Gerald E. Brinkley, Philip P. Macnak | 2000-02-08 |
| 5825297 | Taut armature reciprocating impulse transducer | John M. McKee, Irving H. Holden, Gerald E. Brinkley | 1998-10-20 |
| 5708726 | Taut armature resonant impulse transducer | Gerald E. Brinkley, John M. McKee, Irving H. Holden | 1998-01-13 |
| 5649020 | Electronic driver for an electromagnetic resonant transducer | George McClurg, Gary L. Pace, John M. McKee | 1997-07-15 |
| 5552562 | Inertial acoustic pickup | Allen D. Hertz, John M. McKee, Irving H. Holden, Gerald E. Brinkley | 1996-09-03 |
| 5546069 | Taut armature resonant impulse transducer | Irving H. Holden, Gerald E. Brinkley, John M. McKee | 1996-08-13 |
| 5524061 | Dual mode transducer for a portable receiver | John M. McKee, Gerald E. Brinkley, Irving H. Holden | 1996-06-04 |
| 5379032 | Impulse transducer enunciator | Jewett E. Foster, Theodore E. Lind, Irving H. Holden | 1995-01-03 |
| 5327120 | Stabilized electromagnetic resonant armature tactile vibrator | John M. McKee, Irving H. Holden, Gerald E. Brinkley | 1994-07-05 |
| 5307508 | Shock isolation for selective call receivers | Thomas J. Rollins, Irving H. Holden | 1994-04-26 |
| 5172092 | Selective call receiver having audible and tactile alerts | Tuan K. Nguyen, Thomas J. Rollins, Harold H. Holden | 1992-12-15 |
| 5109176 | Mounting for multiple crystal filter blanks | Tuan K. Nguyen, Thomas J. Rollins, Charles Snyder | 1992-04-28 |
| 5107540 | Electromagnetic resonant vibrator | Irving H. Holden, George J. Selinko | 1992-04-21 |
| 5023504 | Piezo-electric resonant vibrator for selective call receiver | Irving H. Holden | 1991-06-11 |
| 4949221 | Encased electronic component | Thomas J. Rollins, James Jaffee | 1990-08-14 |
| 4931765 | Unitized housing for silent and tone pager alerting system | Thomas J. Rollins, Tuan K. Nguyen | 1990-06-05 |
| 4914722 | Shock absorber for ceramic filters | Harold H. Holden | 1990-04-03 |
| 4877569 | Method of making a one-piece injection molded battery contact assembly | Glenn F. Urbish, William B. Mullen, III | 1989-10-31 |
| 4864276 | Very low-profile motor arrangement for radio pager silent alerting | David A. Tribbey, Thomas J. Rollins | 1989-09-05 |
| 4706350 | Self-locating, self-fixturing hard crystal blank mounting system | Robert E. Phipps, William J. Kuznicki | 1987-11-17 |
| 4635836 | Twist-off detachable belt clip assembly | Robert E. Phipps, William J. Kuznicki | 1987-01-13 |
| 4583774 | Battery door latching mechanism | Irving H. Holden, Robert D. Lloyd, Robert E. Phipps | 1986-04-22 |
| 4577735 | Shock absorber for quartz crystal enclosures using multiple contact points to distribute stress | Robert E. Phipps, William J. Kuznicki | 1986-03-25 |
| 4578612 | Shock absorber and spacer for quartz crystals | — | 1986-03-25 |
| 4540908 | Shock absorber for quartz crystals | Robert E. Phipps, William J. Kuznicki | 1985-09-10 |