|
US2025139A
|
|
Casing for x-ray apparatus
|
|
US1936342A
|
|
Daylight fluoroscope
|
|
US1945241A
|
|
Plate changer
|
|
US1871248A
|
|
X-ray system
|
|
US1682730A
|
|
High-tension electric valve
|
|
US1694151A
|
|
Rectifying system
|
|
US1598901A
|
|
Automatic regulator and regulating process for x-ray systems
|
|
US1548074A
|
|
High-potential voltmeter
|
|
US1449357A
|
|
Filter indicator for x-ray systems
|
|
US1471081A
|
|
Vibrating buckey diaphragm for scattered X-ray radiation
|
|
US1576382A
|
|
High-tension rectifying switch
|
|
US1413208A
|
|
Film holder for developing films
|
|
US1576260A
|
|
Dental level
|
|
US1438508A
|
|
Identification device
|
|
US1400333A
|
|
Fluoroscopic x-ray system
|
|
US1398580A
|
|
Electric switch
|
|
US1371010A
|
|
X-ray system
|
|
US1373848A
|
|
Device for keeping cooling-water at desirable temperatures
|
|
US1373847A
|
|
Stereoscope for x-ray plates
|
|
US1404171A
|
|
Plate holder and indicator therefor
|
