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Philip L. Writer — 3 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
UFUS Air Force: 1 patents #6,232 of 16,312Top 40%
San Diego, CA: #9,932 of 23,606 inventorsTop 45%
California: #150,760 of 386,348 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Philip L. Writer has been granted 3 US patents while listed as an inventor at Unknown. The first was granted in 1980 and the most recent in September 1998. Philip L. Writer ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Philip L. Writer in San Diego, CA, US.

Patents per Year

Patents granted per year, 1980 to 1998Bar chart with a peak of 1 patents in 1980.peak 11980: 1 patents19801994: 1 patents19941998: 1 patents1998

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5801792 High resolution, high intensity video projection cathode ray tube provided with a cooled reflective phosphor screen support Ceil E. Smith, Frank Campbell, Jr. 1998-09-01
5359266 System for generating triggering pulses for use in beam indexing type color cathode ray tubes Ceil E. Smith 1994-10-25
4222118 Intelligent automatic gain control circuit John Dickinson 1980-09-09

Frequent Collaborators

Ceil E. Smith2 shared
Frank Campbell, Jr.1 shared
John Dickinson1 shared

Nearby-Ranked Inventors

Daniel Silion3
Hangfeng Li3
Mark Vander Wal3
Chad M. Goltzman3
Sathish Kumar Thanganathan3
Debbie Maloyd3
Ethan Alexander Garrett3
Paul Sabatka3
Sergii Bomko3