Inventor · disambiguated record

Henry D. Calk, Jr.

Also filed as: CALK JR HENRY D

1 granted patent·17 citations·filing 1988–1988

37Inventor score
Technology areasE21B
Files withVETCO GRAY INC1

Top patents by PatentIndex Score

1 record

Join the waitlist — get patent alerts

Get an alert when Henry D. Calk, 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 →