Inventor · disambiguated record
John E. Stefanik
Also filed as: STEFANIK JOHN E
3 granted patents·293 citations·filing 1975–1976
79Inventor score
Files withPPG INDUSTRIES INC3
Top patents by PatentIndex Score
3 records- 0191US4046933ALaminated window structure and its method of fabricationPPG INDUSTRIES INC·Filed 1975·Granted Sep 6, 1977·123 cites·7 claims
- 0291US4046951ALaminated transparent assembly with edge sealing meansPPG INDUSTRIES INC·Filed 1976·Granted Sep 6, 1977·75 cites·14 claims
- 0388US4004388AWindow panel edge constructionPPG INDUSTRIES INC·Filed 1975·Granted Jan 25, 1977·95 cites·13 claims
Join the waitlist — get patent alerts
Get an alert when John E. Stefanik 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 →