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Inventor

Alexander L. Darbut

Inventor
Edina, MN, US

Overview

12→
Patents
1985–2009
Patent span
LOC
Primary field

Patents· 12 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

LOC14primary
LOC1446%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers15%
LOC2415%
G02BOptical elements, systems or apparatus8%
H05BElectric heating8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
PatentTitleYear
D0588110'Communication headset'20097,436,952'Earset microphone'2008D0567232'Push-to-talk communicator housing'2008D0546455'Behind the ear earpiece for a hearing aid'2007D0541420'Hearing aid assembly'2007D0527377'Under the ear headset'2006D0525617'Over the ear headset'20066,690,806'Various directional/omni-directional hearing aid microphone and housing structures'2004D0438860'Miniature microphone housing and switch'2001D0438196'Miniature microphone housing and switch'20014,887,883'Undersea wet-mateable fiber optic connector'19894,542,271'Microwave browning wares and method for the manufacture thereof'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to POLYMER ENG INC (1)· patent assignee history
1985Based in Minneapolis, MN, US· patent location history
1989Patents assigned to HONEYWELL INC (1)· patent assignee history
1989–2009Based in Edina, MN, US· patent location history
2001–2004Patents assigned to RESISTANCE TECHNOLOGY INC (3)· patent assignee history
2006–2009Patents assigned to INTRICON CORP (5)· patent assignee history
2007Patents assigned to SOUNDQUEST INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
INTRICON CORP52006–2009
RESISTANCE TECHNOLOGY INC32001–2004
SOUNDQUEST INC22007
HONEYWELL INC11989
POLYMER ENG INC11985
Locations
LocationPatentsSpan
Edina, Minnesota, US111989–2009
Minneapolis, Minnesota, US11985