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Alfred F. McCarthy — 45 Patents

AEAavid Engineering: 44 patents #1 of 15Top 7%
Laconia, NH: #1 of 60 inventorsTop 2%
New Hampshire: #166 of 12,181 inventorsTop 2%
Overall (All Time): #66,060 of 4,157,543Top 2%
45 Patents All Time

Issued Patents All Time

Showing 26–45 of 45 patents

Patent #TitleCo-InventorsDate
D277748 Pinned-extrusion heat sink for electronic devices 1985-02-26
D275749 Slip-on heat sink for long integrated-circuit modules 1984-10-02
D275648 Stud-mounted heat sink for electronic devices 1984-09-25
D275666 Asymmetric heat sink for electronic devices 1984-09-25
D275388 Unsymmetrical heat sink for electronic devices 1984-09-04
D273006 Twin heat sink for electronic semiconductor devices 1984-03-13
D272902 Self-fastened heat sink Philip A. Johnson 1984-03-06
D269084 Dual heat sink for electronic semiconductor devices 1983-05-24
D268833 Sheet-metal heat sink for electronic semiconductor devices 1983-05-03
D267942 Heat-sink for electronic semiconductor devices 1983-02-15
D265987 Self-holding heat sink for electronic devices 1982-08-31
4321423 Heat sink fastenings Philip A. Johnson 1982-03-23
D263042 Winged-collar heat sink for electronic devices 1982-02-16
D262960 Flanged-collar heat sink for electronic devices Philip A. Johnson 1982-02-09
D262961 Clip-on heat sink for electronic devices 1982-02-09
D262203 Self-fastened heat sink for electronic devices Philip A. Johnson 1981-12-08
4261005 Miniature heat sink 1981-04-07
4235285 Self-fastened heat sinks Philip A. Johnson 1980-11-25
4215361 Winged self-fastened heat sinks for semiconductor devices 1980-07-29
4203488 Self-fastened heat sinks Philip A. Johnson 1980-05-20