Assignee
TOPPER MANUFACTURING CORP
US·3 granted patents·22 citations·filing 1979–1982
Technology mixG03B3
Top patents by PatentIndex Score
3 records- 0164US4358184ACompact collapsible microform viewerTOPPER MANUFACTURING CORP·Filed 1981·Granted Nov 9, 1982·9 cites·20 claims
- 0262US4327974AMicroform viewerTOPPER MANUFACTURING CORP·Filed 1979·Granted May 4, 1982·6 cites·37 claims
- 0357US4432619ACompact collapsible microform viewerTOPPER MANUFACTURING CORP·Filed 1982·Granted Feb 21, 1984·7 cites·2 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →