Assignee
HARTWIG HARTOGLASS INC
3 granted patents·108 citations·filing 1979–1982
Top patents by PatentIndex Score
3 records- 0180US4441290AGlazing fastener for mounting either rigid or flexible storm windowsHARTWIG HARTOGLASS INC·Filed 1982·Granted Apr 10, 1984·42 cites·10 claims
- 0278US4274234ADouble-wall greenhouse with flexible film wallsHARTWIG HARTOGLASS INC·Filed 1979·Granted Jun 23, 1981·37 cites·12 claims
- 0368US4320609AGlazing fastener for mounting either rigid or flexible storm windowsHARTWIG HARTOGLASS INC·Filed 1979·Granted Mar 23, 1982·29 cites·13 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →