Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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C. James Blom — 13 Patents

RORoxor: 12 patents #1 of 1Top 100%
Bakersfield, CA: #35 of 840 inventorsTop 5%
California: #47,433 of 386,348 inventorsTop 15%
Overall (All Time): #362,438 of 4,157,543Top 9%
13 Patents All Time
C. James Blom has been granted 13 US patents while listed as an inventor at Roxor. The first was granted in 1983 and the most recent in September 1988. C. James Blom ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list C. James Blom in Bakersfield, CA, US.

Patents per Year

Patents granted per year, 1983 to 1988Bar chart with a peak of 5 patents in 1987.peak 51983: 1 patents19831984: 1 patents19841985: 1 patents19851986: 3 patents19861987: 5 patents19871988: 2 patents1988

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
4770824 Process of making a casting die for forming a segmented mirror 1988-09-13
4750825 Segmented mirror 1988-06-14
4678280 Method of constructing a segmented mirror 1987-07-07
4674850 Elimination of internal reflections and diffractions from junctures in, and at the periphery of, a segmented mirror 1987-06-23
4663514 Elimination of internal reflections and diffractions from junctures in, and at the periphery of, a segmented mirror 1987-05-05
4641933 Elimination of internal reflections and diffractions from junctures in, and at the periphery of, a segmented mirror 1987-02-10
4636046 Shade for segmented rear view mirror 1987-01-13
4632524 Elimination of internal reflections and diffractions from junctures in, and at the periphery of a segmented mirror 1986-12-30
4630905 Elimination of internal reflections and diffractions from junctures in, and at the periphery of, a segmented mirror 1986-12-23
4609266 Elimination of internal reflections and diffractions from junctures in and at the periphery of, a segmented mirror 1986-09-02
4560256 Segmented mirror 1985-12-24
4470665 Segmented mirror 1984-09-11
4368951 Method of making a mold for a segmented mirror 1983-01-18