Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6212716 | Inflatable pillow | John R. Moses | 2001-04-10 |
| 5626389 | Lift seat | — | 1997-05-06 |
| 5312157 | Lift seat | — | 1994-05-17 |
| 4720128 | Magnetic emergency exit door lock with time delay | Bruce G. Beigel, Michael A. Kelly | 1988-01-19 |
| 4651358 | Apparatus for securing a pivoted member such as a toilet seat lid | — | 1987-03-24 |
| 4652028 | Magnetic emergency exit door lock with time delay | Michael A. Kelly, Bruce G. Beigel | 1987-03-24 |
| 4489308 | Emergency exit indicators | J. William Walsh | 1984-12-18 |
| 4470625 | Emergency exit door latch with hydraulic and electronic delay | James W. Walsh | 1984-09-11 |
| 4466208 | Emergency exit sign utilizing an electro-luminescent (EL) lamp and a brightness monitor | J. William Walsh | 1984-08-21 |
| 4354699 | Apparatus for delaying opening of doors | — | 1982-10-19 |
| 4328985 | Timing apparatus for delaying opening of doors | — | 1982-05-11 |
| 4324425 | Point-of-egress control device for securing exit doors safely | — | 1982-04-13 |
| 4314722 | Timing apparatus for delaying opening of doors | — | 1982-02-09 |
| 4271691 | Emergency release for deadlocks | — | 1981-06-09 |
| 4272327 | Form and label combination | — | 1981-06-09 |
| 4257631 | Magnetic emergency exit door lock with delayed opening | — | 1981-03-24 |