Mark Matheny — 7 Patents at Tek Electronics Manufacturing

Mark Matheny has been granted 7 US patents while listed as an inventor at Tek Electronics Manufacturing. The first was granted in 1988 and the most recent in July 1994. Mark Matheny ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Mark Matheny in Manchester, CT, US.

Patents per Year

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Showing 1–7 of 7 patents

Patent #	Title	Co-Inventors	Date
D348675	Pay type telephone station volume control push-button switch	—	1994-07-12
D348471	Pay type telephone station volume control push-button switch	—	1994-07-05
5321584	Battery and holder assembly for use with a battery operated touch pen	—	1994-06-14
5315645	Communication apparatus utilizing digital optical signals	—	1994-05-24
4862494	Anti-fraud device for use with a coin operated telephone instrument	—	1989-08-29
4829561	Apparatus for optically coupling a terminal unit to the public telephone network through a pay telephone instrument and the like	—	1989-05-09
4773088	Telephone amplifier with switchable gain control	—	1988-09-20

Mark Matheny — 7 Patents

Patents per Year

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