Assignee
FRED M SCHILDWACHTER & SONS INC
6 granted patents·74 citations·filing 1996–1998
Top patents by PatentIndex Score
6 records- 0175USD382502SDoor chimeFRED M SCHILDWACHTER & SONS INC·Filed 1996·Granted Aug 19, 1997·19 cites·1 claims
- 0269USD406110SElectrical switch for door chimeFRED M SCHILDWACHTER & SONS INC·Filed 1997·Granted Feb 23, 1999·15 cites·1 claims
- 0367USD380167SDoor chimeFRED M SCHILDWACHTER & SONS INC·Filed 1996·Granted Jun 24, 1997·14 cites·1 claims
- 0461USD381594SDoor chimeFRED M SCHILDWACHTER & SONS INC·Filed 1996·Granted Jul 29, 1997·11 cites·1 claims
- 0559USD410436SWireless push buttonFRED M SCHILDWACHTER & SONS INC·Filed 1998·Granted Jun 1, 1999·11 cites·1 claims
- 0640USD391514SPush button for wireless door chimeFRED M SCHILDWACHTER & SONS INC·Filed 1997·Granted Mar 3, 1998·4 cites·1 claims
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