Air Shields Inc
Air ShieldActive Patents
0
Total Holdings
13
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3836287A | Wound drainage equipment | Expired / Lapsed | 1972-04-06 | 1974-09-17 | 7 | Details |
| US3675653A | Wound drainage equipment | Expired / Lapsed | 1969-08-15 | 1972-07-11 | 12 | Details |
| US3452744A | Blood pressure monitoring apparatus | Expired / Lapsed | 1964-11-03 | 1969-07-01 | 2 | Details |
| US3323512A | Ultrasonic diagnostic instrument having improved resolution… | Expired / Lapsed | 1964-08-03 | 1967-06-06 | 2 | Details |
| US3310049A | Ultrasonic cardiac volume measurements | Expired / Lapsed | 1963-09-17 | 1967-03-21 | 2 | Details |
| US3280622A | Time to voltage converter for pulseecho ultrasonic system | Expired / Lapsed | 1963-04-04 | 1966-10-25 | 2 | Details |
| US3262446A | Resuscitator | Expired / Lapsed | 1963-11-18 | 1966-07-26 | 0 | Details |
| US3256733A | Ultrasonic pulse-echo apparatus for internal exploration | Expired / Lapsed | 1963-02-06 | 1966-06-21 | 0 | Details |
| US3256876A | Volume indicator for anesthesia machine system | Expired / Lapsed | 1962-03-06 | 1966-06-21 | 2 | Details |
| US3167658A | Apparatus for use in sensing the pulse | Expired / Lapsed | 1961-07-17 | 1965-01-26 | 2 | Details |
| US3137292A | Blood pressure apparatus | Expired / Lapsed | 1960-12-09 | 1964-06-16 | 2 | Details |
| US3084691A | Aspirator | Expired / Lapsed | 1960-11-04 | 1963-04-09 | 1 | Details |
| US2880719A | Lung ventilators and timing devices therefor | Expired / Lapsed | 1955-01-31 | 1959-04-07 | 0 | Details |