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Bedford, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Modification of biological elements
Patent number
7,279,318
Issue date
Oct 9, 2007
Hybrid Systems Limited
Leonard C. W. Seymour
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Document sorting apparatus
Patent number
5,054,621
Issue date
Oct 8, 1991
Hybrid Systems, Inc.
Gary J. Murphy
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Successive approximation analog-to-digital converter
Patent number
4,571,507
Issue date
Feb 18, 1986
Hybrid Systems Corporation
Jerry M. Collings
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
High accuracy digital-to-analog converter and transient elimination...
Patent number
4,338,592
Issue date
Jul 6, 1982
Hybrid Systems Corporation
Samuel Wilensky
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Electronic hybrid circuit package
Patent number
4,272,644
Issue date
Jun 9, 1981
Hybrid Systems Corporation
Ronald C. Visser
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Enclosure for high fidelity audio reproduction equipment
Patent number
D249885
Issue date
Oct 10, 1978
Hybrid Systems Corporation
Richard E. Defreitas
D14 - Recording, communication, or information retrieval equipment
Information
Patent Grant
Multiple state responsive delta-sigma converter and delay line
Patent number
4,101,881
Issue date
Jul 18, 1978
Hybrid Systems Corporation
Richard E. De Freitas
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Simulation of reverberation in audio signals
Patent number
4,027,101
Issue date
May 31, 1977
Hybrid Systems Corporation
Richard E. De Freitas
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Delta-sigma converter and decoder
Patent number
4,009,475
Issue date
Feb 22, 1977
Hybrid Systems Corporation
Richard E. DeFreitas
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73017493 - HYBRID SYSTEMS
Serial number
73017493
Registration number
1026603
Filing date
Mar 29, 1974
HYBRID SYSTEMS CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments