Harry Kroger has been granted 14 US patents while listed as an inventor at Sperry . The first was granted in 1980 and the most recent in November 1999. Harry Kroger ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Harry Kroger in Sudbury, MA, US.
Patents per Year Patents granted per year, 1980 to 1999 Bar chart with a peak of 3 patents in 1985. peak 3 1980: 2 patents 1980 1983: 1 patents 1983 1984: 2 patents 1984 1985: 3 patents 1985 1987: 1 patents 1987 1990: 1 patents 1990 1991: 1 patents 1991 1995: 2 patents 1995 1999: 1 patents 1999
Issued Patents All Time
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Showing 1–14 of 14 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
5981869 Reduction of switching noise in high-speed circuit boards — 1999-11-09
5434530 Superconducting semiconducting cross-bar circuit Uttam S. Ghoshal 1995-07-18
5388068 Superconductor-semiconductor hybrid memory circuits with superconducting three-terminal switching devices Uttam S. Ghoshal 1995-02-07
5024993 Superconducting-semiconducting circuits, devices and systems Uttam S. Ghoshal 1991-06-18
4899439 Method of fabricating a high density electrical interconnect Curtis Nathan Potter , Lawrence N. Smith 1990-02-13
4681666 Planarization of a layer of metal and anodic aluminum Curtis Nathan Potter 1987-07-21
4544937 Formation of normal resistors by degenerate doping of substrates — 1985-10-01
$4,399,000
4536781 Fabrication of superconductive tunneling junction resistors and short circuits by ion implantation — 1985-08-20
$2,411,000
4536414 Superconductive tunnel junction device with enhanced characteristics and method of manufacture Don W. Jillie, Jr. , Lawrence N. Smith 1985-08-20
$2,411,000
4490733 Josephson device with tunneling barrier having low density of localized states and enhanced figures of merit — 1984-12-25
4437761 Refractive index temperature sensor Richard A. Soref 1984-03-20
$4,789,000
4421785 Superconductive tunnel junction device and method of manufacture — 1983-12-20
$7,646,000
4224630 Multiple weak-link SQUID — 1980-09-23
$1,252,000
4220959 Josephson tunnel junction with polycrystalline silicon, germanium or silicon-germanium alloy tunneling barrier — 1980-09-02
$3,419,000