Assignee
DURST UK LTD
GB·6 granted patents·10 citations·filing 1977–1983
Top patents by PatentIndex Score
6 records- 0146US4479713APhotographic exposure masksDURST UK LTD·Filed 1983·Granted Oct 30, 1984·4 cites·9 claims
- 0241US4132478AIllumination system for a photographic copying apparatusDURST UK LTD·Filed 1977·Granted Jan 2, 1979·3 cites·13 claims
- 0331US4400084APhotographic exposure masksDURST UK LTD·Filed 1981·Granted Aug 23, 1983·1 cites·6 claims
- 0428US4239382APhotographic printing or enlarging apparatusDURST UK LTD·Filed 1979·Granted Dec 16, 1980·1 cites·7 claims
- 0525US4197001APhotographic processing apparatus with variable sized tanks lined with bag-like plastic tank interiorsDURST UK LTD·Filed 1977·Granted Apr 8, 1980·1 cites·7 claims
- 0618US4239378APhotographic printing apparatusDURST UK LTD·Filed 1979·Granted Dec 16, 1980·0 cites·10 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →