Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| H1040 | Method for measuring filter efficiency | Hugh R. Carlon, Mark A. Guelta | 1992-04-07 |
| 5094779 | Method for measuring and testing the efficiency of gas mask filters using monodispersed aerosols | Hugh R. Carlon, Mark A. Guelta | 1992-03-10 |
| 5087389 | Method of measuring the efficiency of gas mask filters using non-toxic mono dispersed aerosols | Hugh R. Carlon, Mark A. Guelta | 1992-02-11 |
| 5080829 | Method of measuring the efficiency of gas mask filters, respirators and other personnel protective equipment | Hugh R. Carlon, Mark A. Guelta | 1992-01-14 |
| 5059352 | Method for the generation of monodispersed aerosols for filter testing | Hugh R. Carlon, Mark A. Guelta | 1991-10-22 |
| 5059353 | Method for testing the efficiency of gas mask filters using monodispersed aerosols | Hugh R. Carlon, Mark A. Guelta | 1991-10-22 |
| 5059349 | Method of measuring the efficiency of gas mask filters using monodispersed aerosols | Hugh R. Carlon, Mark A. Guelta | 1991-10-22 |
| 5059350 | Method of testing the efficiency of gas mask filters using poly-alpha olefin aerosol mixtures | Hugh R. Carlon, Mark A. Guelta | 1991-10-22 |
| 5059351 | Method of testing the efficiency of gas mask filters using monodispersed aerosols | Hugh R. Carlon, Mark A. Guelta | 1991-10-22 |
| H267 | Method and apparatus for improved gas mask and filter test penetrometer | Hugh R. Carlton | 1987-05-05 |
| 4653392 | Muffin baking pan for producing muffin with open cavity | — | 1987-03-31 |
| 4532535 | Electrically reprogrammable non volatile memory cell floating gate EEPROM with tunneling to substrate region | Jean Fellrath | 1985-07-30 |
| 4399523 | Non-volatile, electrically erasable and reprogrammable memory element | Jean Fellrath | 1983-08-16 |
| 4343177 | Flow compensated gas comparison probe | Hugh R. Carlon | 1982-08-10 |
| 4327320 | Reference voltage source | Henri J. Oguey | 1982-04-27 |
| 4228527 | Electrically reprogrammable non volatile memory | Fritz Leuenberger | 1980-10-14 |