Inventor · disambiguated record
John Pelham Wren
Also filed as: BUCKNER IAN W · WREN JOHN P · WREN JOHN PELHAM
6 granted patents·36 citations·filing 1976–1997
80Inventor score
Top patents by PatentIndex Score
6 records- 0162US4143879ADisc-record playersPLESSEY HANDEL INVESTMENT AG·Filed 1977·Granted Mar 13, 1979·12 cites·15 claims
- 0247US4184687AElectrical control system for the movement of the pickup arm of a disc-record playerPLESSEY HANDEL INVESTMENT AG·Filed 1978·Granted Jan 22, 1980·7 cites·2 claims
- 0342US4096419AElectric motorsPLESSEY HANDEL INVESTMENT AG·Filed 1976·Granted Jun 20, 1978·11 cites·13 claims
- 0438US4076258ADisc-record playersPLESSEY HANDEL INVESTMENT AG·Filed 1976·Granted Feb 28, 1978·4 cites·9 claims
- 0519US4601362ADevice for damping an oscillatory systemGARRARD PRODUCTS·Filed 1984·Granted Jul 22, 1986·1 cites·9 claims
- 0616US6456196B1Signalling means for a vehicleBIRTLES JOHN FIDDIAN·Filed 1997·Granted Sep 24, 2002·1 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →