Printing and office machinery – Document handler – Sorter – collator or stacker
Patent
1989-06-02
1992-06-16
Burke, Wallace R.
Printing and office machinery
Document handler
Sorter, collator or stacker
Patent
active
D03270564
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patent: 3347241 (1967-10-01), Hiller et al.
patent: 3993193 (1976-11-01), Welch et al.
patent: 4421237 (1983-12-01), Cross, Jr.
patent: 4495066 (1985-01-01), Cross, Jr.
patent: 4619367 (1986-10-01), Dorman
patent: 4927031 (1990-05-01), Martin
Amper S.A.
Burke Wallace R.
Nunn Freda S.
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