P

Inventor

HELMER JOHN C

US15 patents
⚠️ This page may combine multiple inventors who share the name “HELMER JOHN C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

VARIAN ASSOCIATES

11 patents

HELMER JOHN C

2 patents

(unassigned)

1 patent

NOVELLUS SYSTEMS INC

1 patent