Inventor · disambiguated record
Petrus A. Van Berkum
Also filed as: VAN BERKUM PETRUS A
3 granted patents·124 citations·filing 1975–1992
76Inventor score
Top patents by PatentIndex Score
3 records- 0171US3945191AElectronic timepiece having complementary electro-optical and electro-mechanical displaysZENITH RADIO CORP·Filed 1975·Granted Mar 23, 1976·22 cites·4 claims
- 0269US5272114AMethod for cleaving a semiconductor crystal bodyAMOCO CORP·Filed 1992·Granted Dec 21, 1993·60 cites·20 claims
- 0347US4408604APorous pacemaker electrode tipTELETRONICS PTY LIMITED·Filed 1981·Granted Oct 11, 1983·42 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when Petrus A. Van Berkum 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 →