Inventor · disambiguated record
John T. Siwula
Also filed as: SIWULA JOHN T
5 granted patents·151 citations·filing 1978–1981
83Inventor score
Files withSIWULA JOHN T5
Top patents by PatentIndex Score
5 records- 0184US4478413ATorsion type exercise deviceSIWULA JOHN T·Filed 1980·Granted Oct 23, 1984·76 cites·5 claims
- 0276USD274179SCombined electronic calculator and checkbookSIWULA JOHN T·Filed 1981·Granted Jun 5, 1984·16 cites·1 claims
- 0371US4222109AElectronic checkbookSIWULA JOHN T·Filed 1978·Granted Sep 9, 1980·27 cites·10 claims
- 0461US4308588AElectronic checkbookSIWULA JOHN T·Filed 1980·Granted Dec 29, 1981·24 cites·5 claims
- 0541US4290708AAttachable microprocessorsSIWULA JOHN T·Filed 1978·Granted Sep 22, 1981·8 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →