Inventor · disambiguated record

John F. Kulkens

Also filed as: KULKENS JOHN F

2 granted patents·16 citations·filing 1974–1979

57Inventor score

Technology areasH01T H04N

Files withWARWICK ELECTRONICS INC1 ZENITH RADIO CORP1

Top patents by PatentIndex Score

2 records

0159US3931467ASynchronizing circuit having a variable bandpass filterWARWICK ELECTRONICS INC·Filed 1974·Granted Jan 6, 1976·11 cites·13 claims
0229US4298815ACathode ray tube socket with controlled spark gapsZENITH RADIO CORP·Filed 1979·Granted Nov 3, 1981·5 cites·13 claims

Join the waitlist — get patent alerts

Get an alert when John F. Kulkens files or is granted a new patent.

We store only your email — no account needed. See our privacy policy.

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →