Title:
Abrasive cytologic brush
United States Patent 2839049
US Patent References:
Tracheal-swab syringe
- - 1711352

Combination implement
- - 1776443


Inventors:
Maclean, Kenneth S.
Publication Date:
06/17/1958
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Assignee:
Maclean, Kenneth S.
Primary Class:
600/569
Other Classes:
D24/147
International Classes:
A61B10/00; A61B17/32