Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Vitreoretinal Development › Clark D. Witherspoon
CW

Clark D. Witherspoon — 5 Patents

VDVitreoretinal Development: 4 patents #1 of 4Top 25%
Birmingham, AL: #201 of 1,401 inventorsTop 15%
Alabama: #1,539 of 10,951 inventorsTop 15%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Clark D. Witherspoon has been granted 5 US patents while listed as an inventor at Vitreoretinal Development. The first was granted in 1989 and the most recent in May 2005. Clark D. Witherspoon ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Clark D. Witherspoon in Birmingham, AL, US.

Patents per Year

Patents granted per year, 1989 to 2005Bar chart with a peak of 2 patents in 1991.peak 21989: 1 patents19891990: 1 patents19901991: 2 patents19912005: 1 patents2005

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6886565 Macula cover and method Robert E. Morris, W. Brad Priester 2005-05-03
5047009 Method and apparatus for ocular perfusion Robert E. Morris, William E. Goggans, Jr. 1991-09-10
5032111 Method and apparatus for ocular perfusion Robert E. Morris, William E. Goggans, Jr. 1991-07-16
4900301 Method for ocular perfusion Robert E. Morris, William E. Goggans, Jr. 1990-02-13
4813927 Parallel infusion apparatus and method Robert E. Morris, William E. Goggans, Jr. 1989-03-21

Frequent Collaborators

Robert E. Morris5 shared
William E. Goggans, Jr.4 shared
W. Brad Priester1 shared

Nearby-Ranked Inventors

Joseph L. Mann5
Terry Richard Linn5
Ikuo DEGUCHI5
Swapnil Kumar5
Zachary W. Gyugyi5
Xiaoxue CHEN5
Mohankumar Krishnan VALIYAMBATH5
Baoquan Tan5
Jack Long5