DISRAELI DOCUMENTS

Excel - patents & trademarks


see also US Trademark # 1,229,557 - Excel 1955

see also US Trademark # 1,229,557 - Excel 1955

US Trademark 1,229,557 - Excel thumbnail


see also US Patent # 3,903,751 - Excel 1974

see also US Patent # 3,903,751 - Excel 1974

US Patent 3,903,751 - Excel Dynamic thumbnail


see also US Patent # 4,038,878 - Excel 1976

see also US Patent # 4,038,878 - Excel 1976

US Patent 4,038,878 - Excel thumbnail


see also US Patent # 4,051,738 - Excel 1976

see also US Patent # 4,051,738 - Excel 1976

US Patent 4,051,738 - Excel thumbnail


see also US Trademark # 1,229,563 - Excel 1981

see also US Trademark # 1,229,563 - Excel 1981

US Trademark 1,229,563 - Excel thumbnail
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