Assignee
MATTHEWS MACHINE CO INC
3 granted patents·11 citations·filing 1978–1979
Top patents by PatentIndex Score
3 records- 0137US4189173ALatch for a fire screen folding door assemblyMATTHEWS MACHINE CO INC·Filed 1978·Granted Feb 19, 1980·11 cites·4 claims
- 0226USD266643SFire screenMATTHEWS MACHINE CO INC·Filed 1979·Granted Oct 26, 1982·0 cites·1 claims
- 0326USD261220SFire screenMATTHEWS MACHINE CO INC·Filed 1979·Granted Oct 13, 1981·0 cites·1 claims
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