Inventor · disambiguated record
Walter L. Penberthy, Jr.
Also filed as: PENBERTHY JR WALTER L
1 granted patent·94 citations·filing 1976–1976
53Inventor score
Technology areasE21B
Files withEXXON PRODUCTION RESEARCH CO1
Top patents by PatentIndex Score
1 recordJoin the waitlist — get patent alerts
Get an alert when Walter L. Penberthy, Jr. 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 →