3707452

Information

• Patent Grant
• 3707452

• References
• Source

• Patent Number

  3,707,452

• Date Filed

  Not available

• Date Issued

  Tuesday, December 26, 1972
  52 years ago

• CPC

  • B65H18/021 - Multiple web roll supports
  • C23C14/3478 - using electrons
  • H01J37/34 - operating with cathodic sputtering

• US Classifications

  • 204 - Chemistry: electrical and wave energy