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Inventor

SPITZIG ROGER

CA8 patents
⚠️ This page may combine multiple inventors who share the name “SPITZIG ROGER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SPITZIG ROGER

3 patents

BELL & HOWELL LLC

2 patents

PAUL MARK G

1 patent

ISLES MARVIN L

1 patent

BOWE BELL & HOWELL CO

1 patent