Canadian Patents and Development Ltd
Canadian PActive Patents
0
Total Holdings
27
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4720784A | Multicomputer network | Expired / Lapsed | 1983-10-18 | 1988-01-19 | 14 | Details |
| US4376133A | Agglomeration of proteinaceous solids | Expired / Lapsed | 1981-03-24 | 1983-03-08 | 19 | Details |
| US3836061A | Suturing instrument anvil bushing part | Expired / Lapsed | 1973-08-29 | 1974-09-17 | 6 | Details |
| US3829324A | Bonding condensation polymers to polymeric base materials | Expired / Lapsed | 1972-03-08 | 1974-08-13 | 0 | Details |
| US3817974A | Laundered amorphous reinforcing lignin | Expired / Lapsed | 1972-04-19 | 1974-06-18 | 10 | Details |
| US3783313A | Electrical stepping motors having low inertia rotors | Expired / Lapsed | 1972-06-29 | 1974-01-01 | 9 | Details |
| US3742764A | Direct reading resistance thermometer | Expired / Lapsed | 1972-02-24 | 1973-07-03 | 6 | Details |
| US3742394A | Tuning means in a microwave heating apparatus | Expired / Lapsed | 1971-12-20 | 1973-06-26 | 7 | Details |
| US3667477A | Implantable vesical stimulator | Expired / Lapsed | 1967-11-17 | 1972-06-06 | 6 | Details |
| US3653031A | Touch-sensitive position encoder | Expired / Lapsed | 1970-05-25 | 1972-03-28 | 11 | Details |
| US3619578A | Indicating surface depressions in a material | Expired / Lapsed | 1969-09-22 | 1971-11-09 | 5 | Details |
| US3604411A | Electroencephalograph having meter probe movable in a calva… | Expired / Lapsed | 1969-06-16 | 1971-09-14 | 6 | Details |
| US3602592A | Production of a modified orthophotograph | Expired / Lapsed | 1967-09-05 | 1971-08-31 | 11 | Details |
| US3599488A | Apparatus for measuring air turbulence encountered by aircr… | Expired / Lapsed | 1970-03-09 | 1971-08-17 | 6 | Details |
| US3500171A | Self-balancing current comparator for precise voltage level… | Expired / Lapsed | 1967-11-09 | 1970-03-10 | 0 | Details |
| US3490039A | Method and apparatus for measuring high resistances in rela… | Expired / Lapsed | 1968-01-29 | 1970-01-13 | 0 | Details |
| US3490038A | Resistance measuring apparatus having a magnetic modulator … | Expired / Lapsed | 1967-12-07 | 1970-01-13 | 0 | Details |
| US3465444A | Photogrammetric method and apparatus | Expired / Lapsed | 1967-06-05 | 1969-09-09 | 0 | Details |
| US3456355A | Microwave dryer for drying the glue line in paper forms | Expired / Lapsed | 1967-11-22 | 1969-07-22 | 0 | Details |
| US3457385A | Apparatus for dielectric heating | Expired / Lapsed | 1966-07-07 | 1969-07-22 | 0 | Details |
| US3361133A | Vacuum artery clamp | Expired / Lapsed | 1965-07-22 | 1968-01-02 | 0 | Details |
| US3304189A | Synthetic plaster set retarder | Expired / Lapsed | 1965-10-18 | 1967-02-14 | 2 | Details |
| US3116555A | Photogrammetric plotter | Expired / Lapsed | 1958-12-01 | 1964-01-07 | 2 | Details |
| US3057355A | Vascular everter | Expired / Lapsed | 1960-07-08 | 1962-10-09 | 0 | Details |
| US2940451A | Suturing apparatus | Expired / Lapsed | 1958-02-26 | 1960-06-14 | 0 | Details |
| US2936950A | Navigational computing and indicating apparatus | Expired / Lapsed | 1953-05-08 | 1960-05-17 | 0 | Details |
| US2826191A | Measurements of blood pressure | Expired / Lapsed | 1955-12-30 | 1958-03-11 | 0 | Details |