(
1
of
1
)
Full text is not available for this patent. Click on "Images" button above to view full patent.
United States Patent
191,607
Issue Date:
June 5, 1877
Current U.S. Class:
312/209
; 206/223; 206/803
Current CPC Class:
A47B 67/02 (20130101); A61B 50/10 (20160201); Y10S 206/803 (20130101)
* * * * *