Greenberg Sanford D

USPTO Trademark & Patent Filings

Greenberg Sanford D

Trademark applications and grants for Greenberg Sanford D. Greenberg Sanford D has 3 trademark applications. The latest application filed is for "EATON BEAVERS"

Company Profile
    Company Aliases
  • Greenberg, Sanford D.
  • d sanford greenberg
  • Greenberg; Sanford D. - Washington DC

Trademarks Patents
Patent Applications
Patent ApplicationDate
Dual delay line storage sound signal processor
3,936,610 - 05/473,437 Schiffman February 3, 1
1976-02-03
System for nullifying signal processor distortions
3,906,384 - 05/331,576 Schiffman September 16, 1
1975-09-16
SPEECH COMPRESSOR WITH GAP FILLING
3,869,708 - 05/430,911 Schiffman March 4, 1
1975-03-04
SPEECH COMPRESSOR-EXPANDER
3,828,361 - 05/331,550 Schiffman August 6, 1
1974-08-06
VARIABLE DELAY LINE SIGNAL PROCESSOR FOR SOUND REPRODUCTION
3,786,195 - 05/171,571 Schiffman January 15, 1
1974-01-15
Patent Grants & Applications
Company Registrations
SEC0000939143GREENBERG SANFORD D

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