Inventor

WALTER DOUGLAS B

US3 patents

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

GRAPHIC MAN ASSOCIATES INC

1 patent

US6907316B2Jun 14, 2005

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GRAPHIC MAN ASSOCIATES INC20 citations87

BELL & HOWELL PHILLIPSBURG

1 patent

US5103982AApr 14, 1992

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BELL & HOWELL PHILLIPSBURG15 citations67

MULLER MARTINI MAILROOM SYSTEM

1 patent

US7577494B2Aug 18, 2009

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MULLER MARTINI MAILROOM SYSTEM2 citations52