The documents in the MS055-02-0005 collection contains, correspondence, patent applications, and agreements regarding inventions, royalties and patents concerning Statitrol.

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Submissions from 1986

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Papers Regarding the Plans and Reveal of the battery powered smoke detector and battery voltage monitoring circuit, Statitrol Corporation and Duane Pearsall

Submissions from 1977

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Letter to Paul Staby from Duane Pearsall Re:Agreement to wave the Engineering Employment Agreement, Duane Pearsall

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Addendum to Agreement between Blackwell and Statitrol Re: Self-Switching Ionization-type detectors of products of combustion, Statitrol Corporation

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Patent Correspondence Re: Patent Application 698,055, Statitrol Corporation

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Schedule of Patent Infringement Characteristics Re. Cerebus Company, Maennendorf, Switzerland, Statitrol Corporation

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Letter to James Shanahan from Hugh Drake Re: Hot Wire Detector Patent Application, Statitrol Corporation and Hugh Drake

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Letter to William Meserole, Esq. from Hugh Drake Re: Blackwell Application Serial No. 720,745, Statitrol Corporation and Hugh Drake

Submissions from 1976

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Addendum #2 to Agreement dated April 3, 1970 Re: Battery and Line Powered Residential and Commercial Fire Detectors, Statitrol Corporation

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Agreement Assigning the Rights to the Positive Ion Detector to Statitrol, Statitrol Corporation

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Amendment addressed to the Commissioner of Patents by Hugh Drake on behalf of Lyman Blackwell Re: Patent Application 720,745, Statitrol Corporation

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Letter to James Shanahan from Hugh Drake Re: Reissue of Patent 3,778,800, Statitrol Corporation and Hugh Drake

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The Trade Marks Journal Class 9 Announcements, Trademark Journal

Submissions from 1975

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Letter to James Shanahan from Hugh Drake Re: General Electric Home Sentry Smoke Alarm, Statitrol Corporation

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License Agreement Between Statitrol and Cereberus Ltd., Statitrol Corporation

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Papers Regarding Charles Waite's Visit to Statitrol, Statitrol Corporation

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Papers Regarding the Teledyne Water Pik Case, Statitrol Corporation

Submissions from 1974

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Addendum to Agreement between Blackwell and Statitrol Re: Battery and Line Powered Residential and Commercial Fire Detectors, Statitrol Corporation

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Addendum to the Agreement between Blackwell and Statitrol Re: battery and line powered residential and commercial fire detectors, Statitrol Corporation

Submissions from 1973

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United States Patent 3,728,615, U.S. Patent Office

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United States Patent 3,731,093, U.S. Patent Office

Submissions from 1970

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Agreement Assigning Statitrol the Rights to the Self Switching Ionization-type Detector of Products of Combustion, Statitrol Corporation