Printing and office machinery – Copy reproducing equipment – Element or attachment
Patent
1992-07-10
1994-12-27
Douglas, Alan P.
Printing and office machinery
Copy reproducing equipment
Element or attachment
Patent
active
D03538303
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patent: 1807517 (1931-05-01), Erlendson et al.
patent: 3589808 (1971-06-01), Del Vecchio
patent: 3603554 (1971-09-01), Dickinson
patent: 4796847 (1989-01-01), Kayner
patent: 5053819 (1991-10-01), Malyon et al.
Book Support Systems, Inc.
Douglas Alan P.
Veynar Caron D.
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