Title:
DENTAL SYRINGE
United States Patent 3511235
US Patent References:
Valve
- - 1607827

Valves
- - 2839074

Valve seat
- - 3006599

Dental syringe
- - 3054402

Ball valve construction
- - 3118650


Inventors:
Stram, George H.
Publication Date:
05/12/1970
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Assignee:
DENTSPLY INT INC
Primary Class:
433/80
Other Classes:
251/174, 128/200.190
International Classes:
A61C17/02; A61C17/00; A61M17/00; F16K3/10; A61C17/02
US Patent References:
3228652Valve having downstream fluid pressure seal
3254646Dental syringes
3269694Gate valve having biased sealing means
3401691Dental syringe
3137297Syringe construction
3375823Dental syringe for selectively discharging dry air, water or spray
Foreign References:
BE564949A




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