Birtcher Corp
Birtcher CActive Patents
0
Total Holdings
11
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4492832A | Hand-controllable switching device for electrosurgical inst… | Expired / Lapsed | 1982-12-23 | 1985-01-08 | 19 | Details |
| US4034761A | Disposable electrosurgical switching assembly | Expired / Lapsed | 1975-12-15 | 1977-07-12 | 28 | Details |
| US4032738A | Electro-surgical instrument | Expired / Lapsed | 1975-05-15 | 1977-06-28 | 16 | Details |
| US3908641A | Electrocardiograph with improved stylus control circuits | Expired / Lapsed | 1974-06-07 | 1975-09-30 | 12 | Details |
| US3610228A | Apparatus for measuring body fluid pressure | Expired / Lapsed | 1967-01-06 | 1971-10-05 | 2 | Details |
| US3513833A | Medical monitoring system | Expired / Lapsed | 1967-03-17 | 1970-05-26 | 0 | Details |
| US3333156A | Modular printed circuit board rack with improved card guide | Expired / Lapsed | 1965-12-01 | 1967-07-25 | 2 | Details |
| US2828748A | Gas blanketed electro-surgical device | Expired / Lapsed | 1953-03-16 | 1958-04-01 | 0 | Details |
| US2828747A | Gas-blanketed electro-surgical device | Expired / Lapsed | 1952-12-06 | 1958-04-01 | 0 | Details |
| US2808833A | Gas blanketed clotting instrument | Expired / Lapsed | 1952-12-06 | 1957-10-08 | 0 | Details |
| US2333760A | Therapy apparatus | Expired / Lapsed | 1941-09-02 | 1943-11-09 | 0 | Details |