Skip to content
PatentBrief

Inventor

Billy F. Rankin

Patents indexed

1

Year range

1976

Associated with

Years active

1976

Total patents

1

Most recent

1976

Domains

biotechpharmaceutical

Activity by decade

1970s
1

Patents

1

Career timeline

1 patents, in 1976

Dot size = forward citations

19761977

Hover or tap any dot to see the patent. Larger dots indicate more forward citations — a proxy for downstream influence.

US 3987163·1976·Burton Parsons and Co Inc

How Polystyrene Sulfonate Helps Treat Dry Eye Symptoms

A 1975 patent for an eye drop solution that uses a specific polymer to lubricate and cushion the eye, especially for contact lens wearers.

Patent monitoring

Get a weekly digest when new patents naming Billy F. Rankin are indexed.

Get alerts →