Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
WA

William C. Apple — 3 Patents

MUMulti-Elmac: 3 patents #2 of 7Top 30%
Brighton, MI: #243 of 809 inventorsTop 35%
Michigan: #27,426 of 86,293 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
William C. Apple has been granted 3 US patents while listed as an inventor at Multi-Elmac. The first was granted in 1981 and the most recent in January 1984. William C. Apple ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list William C. Apple in Brighton, MI, US.

Patents per Year

Patents granted per year, 1981 to 1984Bar chart with a peak of 1 patents in 1981.peak 11981: 1 patents19811982: 1 patents19821984: 1 patents1984

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4426637 Combination encoder-decoder integrated circuit device Keith D. Jacob 1984-01-17
4315249 Data communication system for activating remote loads Keith D. Jacob 1982-02-09
4305060 Decoder circuitry for selectively activating loads Keith D. Jacob 1981-12-08