Dispensing – Plural sources – compartment – containers and/or spaced jacket – Three or more diverse sources
Patent
1989-04-07
1991-02-26
Skaggs, H. Grant
Dispensing
Plural sources, compartment, containers and/or spaced jacket
Three or more diverse sources
222137, 222145, 222459, 222567, 433 90, 285396, B67D 556
Patent
active
049955403
ABSTRACT:
Apparatus for dispensing, in sequence, a unit dosage of several elastomeric impression materials of different viscosities so as to permit a dental impression to be taken under aseptic conditions in the preparation of a dental restoration. The apparatus also includes means for removably locking the syringe to the nozzle assembly.
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Colin Laurence
Spehar Edward R.
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