Inventor · name-matched record

GRAMLING WILLIAM D

1 granted patent·36 citations·filing 1986–1986

46Inventor score

Technology areasF04B

This identity is grouped by exact name match (no disambiguated inventor record was available for these filings) — it may combine same-named inventors.

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1 record

0175US4712981APressure-operated valving for oil and gas well swabsGRAMLING WILLIAM D·Filed 1986·Granted Dec 15, 1987·36 cites·12 claims

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Identity basis: exact name match across USPTO filings. How scoring works →