Decision outcome of an application for the revocation of Patent no 2155815.
Ref: Patent decision O/027/92
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Patent decision: O/027/92 in the matter of an application for the revocation of of Patent No 2155815 in the name of Ricoh Company Limited dated 19 March 1992.
19 March 1992
Intellectual Property Office
Results of past patent decisions issued before 1998
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