Inventor · disambiguated record
Alfred John Zenger
Also filed as: ZENGER ALFRED JOHN
4 granted patents·136 citations·filing 1977–1977
80Inventor score
Files withSINGER CO4
Top patents by PatentIndex Score
4 records- 0191US4104976AProgrammable sewing machineSINGER CO·Filed 1977·Granted Aug 8, 1978·65 cites·13 claims
- 0276US4100865AProgrammable sewing machine operable in a plurality of modesSINGER CO·Filed 1977·Granted Jul 18, 1978·29 cites·11 claims
- 0376US4092937AAutomatic stitching by programmable sewing machineSINGER CO·Filed 1977·Granted Jun 6, 1978·30 cites·28 claims
- 0465US4095540ASewing machine stitch regulating mechanismsSINGER CO·Filed 1977·Granted Jun 20, 1978·12 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →