Peter J. Sprague

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Lenox, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Hearing assistance systems configured to detect and provide protect...
- Patent number 9,380,374
- Issue date Jun 28, 2016
- OKAPPI, Inc.
- Peter J. Sprague
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Hearing assistance system
- Patent number 9,301,057
- Issue date Mar 29, 2016
- OKAPPI, Inc.
- Peter J. Sprague
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and apparatus for VCR recording using key word selection of...
- Patent number 6,895,169
- Issue date May 17, 2005
- Wave Systems Corporation
- Peter J Sprague
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for retroactive recording using memory of past...
- Patent number 6,072,645
- Issue date Jun 6, 2000
- Peter J Sprague
- G11 - INFORMATION STORAGE
Information Patent Grant
Information distribution system
- Patent number 5,247,575
- Issue date Sep 21, 1993
- Peter J. Sprague
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Projection cathode ray tube having target angularly and longitudina...
- Patent number 4,177,400
- Issue date Dec 4, 1979
- Advent Corporation
- George R. Hergenrother
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
RECONFIGURABLE INTERACTION BADGE
- Publication number 20220284254
- Publication date Sep 8, 2022
- Satellite Displays Inc.
- Peter Sprague
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
HEARING ASSISTANCE SYSTEM
- Publication number 20160316304
- Publication date Oct 27, 2016
- OKAPPI, INC.
- Peter J. Sprague
- G02 - OPTICS
Information Patent Application
Hearing Assistance Systems Configured To Detect And Provide Protect...
- Publication number 20160302012
- Publication date Oct 13, 2016
- HearGlass, Inc.
- Peter J. Sprague
- G02 - OPTICS
Information Patent Application
Hearing assistance systems configured to detect and provide protect...
- Publication number 20150326965
- Publication date Nov 12, 2015
- OKAPPI, INC.
- Peter J. Sprague
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Hearing Assistance System
- Publication number 20150319546
- Publication date Nov 5, 2015
- OKAPPI, INC.
- Peter J. Sprague
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Hearing Assistance System
- Publication number 20150230033
- Publication date Aug 13, 2015
- OKAPPI, INC.
- Peter J. Sprague
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Multimedia Spiral Timeline
- Publication number 20140310598
- Publication date Oct 16, 2014
- OKAPPI, INC.
- Peter J. Sprague
- G06 - COMPUTING CALCULATING COUNTING