Donald E. Jefferson — 7 Patents at Unknown

Donald E. Jefferson has been granted 7 US patents while listed as an inventor at Unknown. The first was granted in 1981 and the most recent in October 1998. Donald E. Jefferson ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Donald E. Jefferson in Bellefonte, PA, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5816491	Method and apparatus for conserving peak load fuel consumption and for measuring and recording fuel consumption	Arnold D. Berkeley	1998-10-06
5326026	Energy and peak-load conserving thermostat and method with controlled deadband	Arnold D. Berkeley	1994-07-05
5244146	Energy-conserving thermostat and method	Arnold D. Berkeley	1993-09-14
5161606	Interactive electronic thermostat with minimum and maximum temperature thermal limit switches	Arnold D. Berkeley, Alec Bernstein, Daniel C. Carney	1992-11-10
4357436	Composite insulating material and process	Jerry Zucker, Carl E. Chivers	1982-11-02
4309511	Process for promoting the low temperature cure of polyester resins	Charles G. Coe, Burton D. Beitchman, Melville W. Uffner	1982-01-05	$6,364,000
4250293	Latent amine salts of bis-phenol A	Burton D. Beitchman, John P. Seymour	1981-02-10	$4,014,000

Donald E. Jefferson — 7 Patents

Issued Patents All Time

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