Title:
Disposable speculum cover
United States Patent 2797684
US Patent References:
/0411160.html
- - 0411160

/1727495.html
- - 1727495

Hypodermic injection device
- - 2512568


Inventors:
Moore, William C.
Publication Date:
07/02/1957
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Assignee:
WELCH ALLYN INC
Primary Class:
600/200
Other Classes:
D24/135, 600/203
International Classes:
A61B1/00; A61B1/227