P

Inventor

GURIAN MARSHALL I

US5 patents
⚠️ This page may combine multiple inventors who share the name “GURIAN MARSHALL I”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ADVANCED SYSTEMS INC

3 patents
US4620894ANov 4, 1986

Apparatus for processing circuit board substrate

ADVANCED SYSTEMS INC20 citations79
US4269716AMay 26, 1981

Ion exchange separation method

ADVANCED SYSTEMS INC23 citations78
US5232501AAug 3, 1993

Apparatus for processing printed circuit board substrates

ADVANCED SYSTEMS INC15 citations70

COATES ASI INC

1 patent
US5904863AMay 18, 1999

Process for etching trace side walls

COATES ASI INC12 citations63

GURIAN MARSHALL I

1 patent
US5178759AJan 12, 1993

Filtration system to remove photoresist film particles

GURIAN MARSHALL I4 citations55