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      J E F F R E Y   K E R R,  L L C







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We offer technical and sales support via e-mail.  If you have an application or technical problem which needs in-depth discussion, please send e-mail to one of the following addresses to arrange a phone consultation.

Technical Support:

Sales Support:

Holiday Office Closures
     New Year's Day
     MLK Day
     President's Day
     Good Friday
     Memorial Day
     Independence Day
     Labor Day
     Thanksgiving (Thursday and Friday)
     Christmas thru New Year's Day

Engineering Services
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We offer engineering services on a consulting basis for help with developing your application code, development of custom controller boards, and development of custom controller chips.  If you need help with your application, please contact

Administrative Contact
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Please note our new office address and phone numbers:

Main Office:

     1024 Mariposa Ave.
     Berkeley, CA  94707
     Phone: (510) 524-2374
     Fax: (510) 524-2378

Fighting Spam

In providing you with direct e-mail addresses, we end up receiving a considerable amount of spam.  To keep the volume under control, we periodically change our contact addresses.  Please check here for our current e-mail  addresses.