Patent 0213221 - 0213221


United States Patent Patent Number 213,221
Issue Date: Issued March 11, 1879

Current U.S. Class: 42/59 - 42/67 - 42/68
Current International Class: F41C03/14 (20060101)
F41C03/00 (20060101)


* * * * *

The PDF for this patent has not yet been downloaded.

If you would like to download it please click the 'Retrieve PDF' button at the top of your screen