73421547
Apr 14, 1983
Jan 22, 1985
Typefaces, Typefonts, and Type Designs of Alphanumeric Characters and/or Typographical Symbols Recorded as Latent Images in Data Storage Media-Namely, Magnetic Tape, Magnetic Disc, Optical Memories and Integrated Circuit Memories, Such as ROMS, PROMS and EPROMS
Electrical and Scientific Apparatus