Frederick Hetzel — 9 Patents at GE

Frederick Hetzel has been granted 9 US patents while listed as an inventor at GE. The first was granted in 1981 and the most recent in May 2001. Frederick Hetzel ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Frederick Hetzel in Brook Park, OH, US.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6232707	Wedge base lamp	Joseph M. Ranish, Robert S. McFeely	2001-05-15	$99,837,000
6084359	Coil assembly for an electrodeless fluorescent lamp	Robert S. McFeely, Vito J. Arsena, Joseph C. Oberle, David O. Wharmby, Steven John Everest +1 more	2000-07-04
D391650	Fluorescent lamp	Robert S. McFeely	1998-03-03
5440199	Base for electrodeless discharge lamp	Raymond A. Heindl, Mark E. Duffy, David J. Marks, Lawrence T. Mazza, Curtis E. Scott +1 more	1995-08-08	$24,898,000
4928032	Means for converting a lamp with a screw-type base into a lamp with a bi-pin base	Michael J. Skoch	1990-05-22	$7,759,000
4525230	Method of manufacturing a ballast resistor support member	William G. McCracken, Jr.	1985-06-25	$4,583,000
4447861	Circular fluorescent lamp unit	Martin Graf, Douglas Seredich	1984-05-08	$5,025,000
4418328	Method of manufacturing a ballast resistor support member and finished article	William G. McCracken, Jr.	1983-11-29	$7,099,000
4258287	Circular fluorescent lamp unit	—	1981-03-24	$2,149,000

Frederick Hetzel — 9 Patents

Issued Patents All Time

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