Multi-purpose lapidary device
United States Patent 2909169
US Patent References:
/0296656.html
- - 0296656
/0376815.html
- - 0376815
/0854145.html
- - 0854145
/0893875.html
- - 0893875
/1221897.html
- - 1221897
/0296656.html
- - 0296656
/0376815.html
- - 0376815
/0854145.html
- - 0854145
/0893875.html
- - 0893875
/1221897.html
- - 1221897
Inventors:
Vonada, Phillip A.
Publication Date:
10/20/1959
View Patent Images:
Export Citation:
Assignee:
Vonada, Phillip A.
Primary Class:
Other Classes:
269/87.100, 269/56, 269/154, 451/365
International Classes:
B28D1/00; B28D1/04; B28D5/00; B28D5/02; B28D1/02
US Patent References: