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Erhart E. Demand — 4 Patents

TETemptronic: 3 patents #10 of 25Top 40%
Boston, MA: #1,729 of 5,993 inventorsTop 30%
Massachusetts: #27,912 of 88,656 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Erhart E. Demand has been granted 4 US patents while listed as an inventor at Temptronic. The first was granted in 1984 and the most recent in February 1991. Erhart E. Demand ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Erhart E. Demand in Boston, MA, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4993945 Heated dental mirror Benedict B. Kimmelman, Edmund Thelen 1991-02-19
4759712 Device for applying controlled temperature stimuli to nerve sensitive tissue 1988-07-26
4491173 Rotatable inspection table 1985-01-01
4426619 Electrical testing system including plastic window test chamber and method of using same 1984-01-17