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PACIFIC SCIENTIFIC COMPANY
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(Name of Registrant as Specified In Its Charter)
KOLLMORGEN CORPORATION
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[LETTERHEAD OF MORGAN & FINNEGAN, L.L.P.]
January 21, 1998
Mr. Lester Hill
Chairman, President & CEO
Pacific Scientific Company
620 Newport Center Drive
Suite 700
Newport Beach, CA 92660-8007
Dear Mr. Hill:
We are writing to you on behalf of our client, Kollmorgen Corporation.
As you are aware, Kollmorgen carried out some of the pioneering work on
solid state motor controllers using microprocessors and torque angel control.
As a result, Kollmorgen was awarded the following patents, copies of which
are enclosed for your consideration:
4,686,437 Langley et al
4,447,771 Whited
4,490,661 Brown et al
4,559,485 Whited
We have investigated the available information relating to your
company's motion control products, and believe that one or more of those
products infringe upon one or more of the aforesaid patents. We particularly
call to your attention Claim 17 of the '771 patent and Claim 1 of the '437
patent and, for example, your SC700 and SC900 Series brushless
servocontrollers.
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Mr. Lester Hill
January 21, 1998
Page 2
The above-identified Kollmorgen United States patents, as well as
corresponding foreign patents, are available for licensing. In this
connection, Fanuc Ltd. and its affiliated automation/robotics companies
recently entered into a license under the aforesaid Kollmorgen patents.
Kollmorgen's desire is to reach an amicable resolution of your
infringement problem and proposes that we meet to discuss available licensing
terms at an early date, not later than 30 days from the date of this letter.
We await your early reply.
Very truly yours,
/s/ Alfred P. Ewert
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Alfred P. Ewert
AE/pi
Enc.
