← Back to Companies

Canadian Patents and Development Ltd

Canadian P
Active Patents
0
Total Holdings
19

Patent Holdings

Filter in Explorer →
Patent No. Title Status Filing Date Grant Date Claims Actions
US3836061A Suturing instrument anvil bushing part Expired / Lapsed 1973-08-29 1974-09-17 6 Details
US3742764A Direct reading resistance thermometer Expired / Lapsed 1972-02-24 1973-07-03 6 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
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
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