using as active elements gas-filled tubes or spark-gaps

Industry

  • CPC
  • H03K4/86
This industry / category may be too specific. Please go to a parent level for more data

Patents Grantslast 30 patents

  • Information Patent Grant

    3628164

    • Patent number 3,628,164
    • Issue date Dec 14, 1971
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3611177

    • Patent number 3,611,177
    • Issue date Oct 5, 1971
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3465257

    • Patent number 3,465,257
    • Issue date Sep 2, 1969
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3418652

    • Patent number 3,418,652
    • Issue date Dec 24, 1968
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3217271

    • Patent number 3,217,271
    • Issue date Nov 9, 1965
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2995679

    • Patent number 2,995,679
    • Issue date Aug 8, 1961
    • A22 - BUTCHERING MEAT TREATMENT PROCESSING POULTRY OR FISH
  • Information Patent Grant

    2986702

    • Patent number 2,986,702
    • Issue date May 30, 1961
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2930935

    • Patent number 2,930,935
    • Issue date Mar 29, 1960
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2915677

    • Patent number 2,915,677
    • Issue date Dec 1, 1959
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2887613

    • Patent number 2,887,613
    • Issue date May 19, 1959
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2851597

    • Patent number 2,851,597
    • Issue date Sep 9, 1958
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2788444

    • Patent number 2,788,444
    • Issue date Apr 9, 1957
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2753451

    • Patent number 2,753,451
    • Issue date Jul 3, 1956
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2743392

    • Patent number 2,743,392
    • Issue date Apr 24, 1956
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2725475

    • Patent number 2,725,475
    • Issue date Nov 29, 1955
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2718594

    • Patent number 2,718,594
    • Issue date Sep 20, 1955
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2714162

    • Patent number 2,714,162
    • Issue date Jul 26, 1955
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2697784

    • Patent number 2,697,784
    • Issue date Dec 21, 1954
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2688076

    • Patent number 2,688,076
    • Issue date Aug 31, 1954
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2677783

    • Patent number 2,677,783
    • Issue date May 4, 1954
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2646503

    • Patent number 2,646,503
    • Issue date Jul 21, 1953
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2634310

    • Patent number 2,634,310
    • Issue date Apr 7, 1953
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2609506

    • Patent number 2,609,506
    • Issue date Sep 2, 1952
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    2595228

    • Patent number 2,595,228
    • Issue date May 6, 1952
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2571824

    • Patent number 2,571,824
    • Issue date Oct 16, 1951
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2543428

    • Patent number 2,543,428
    • Issue date Feb 27, 1951
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2533251

    • Patent number 2,533,251
    • Issue date Dec 12, 1950
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2532631

    • Patent number 2,532,631
    • Issue date Dec 5, 1950
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2531850

    • Patent number 2,531,850
    • Issue date Nov 28, 1950
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2519413

    • Patent number 2,519,413
    • Issue date Aug 22, 1950
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents