United States Patent 3441383
Inventors:
Moore, Francis C.
Perkinson, Leon R.
Publication Date:
04/29/1969
Assignee:
Francis, Moore C.
Leon, Perkinson R.
Other Classes:
73/864.91, 206/459.5, 206/519, 206/558, 206/564, 356/246, 422/942
International Classes:
B01L3/00; G01N21/03; G01N35/04; B01L3/00; G01N21/03; G01N35/04; (IPC1-7): B01L3/00