TREA

allowing note taking

Follow

Industry

  • CPC
  • G04B37/125
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

GPHYSICS G04Horology G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS G04B37/00Cases

Current Industry

G04B37/125allowing note taking
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Method of recording and tracking timed events in a game
    • Patent number 5,098,101
    • Issue date Mar 24, 1992
    • Benjamin B. Jones
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    2132051
    • Patent number 2,132,051
    • Issue date Oct 4, 1938
    • G04 - HOROLOGY
  • Information Patent Grant

    1968444
    • Patent number 1,968,444
    • Issue date Jul 31, 1934
    • G04 - HOROLOGY
  • Information Patent Grant

    1539781
    • Patent number 1,539,781
    • Issue date May 26, 1925
    • G04 - HOROLOGY
  • Information Patent Grant

    1533297
    • Patent number 1,533,297
    • Issue date Apr 14, 1925
    • G04 - HOROLOGY

Patents Applicationslast 30 patents