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Threads 1 to 14 of 14

Forum: US Patent Specifications

US Patent Specifications on locks and security devices - For Reference, Research and Discussion.

Note: In this special sub-forum start a new thread for each new Patent Number.

  1.   Sticky Threads  

  2. Sticky Thread Sticky: US Patents

    Started by Librarian, 02-06-12 02:58 PM
    • Replies: 1
    • Views: 4,536
    09-01-17, 07:54 AM Go to last post
  3.   Normal Threads  

  1. 1960 - 2938374

    Started by Librarian, 02-06-12 05:27 PM
    • Replies: 0
    • Views: 3,378
    02-06-12, 05:27 PM Go to last post
  2. 1958 - 2858691

    Started by Librarian, 02-06-12 05:26 PM
    • Replies: 0
    • Views: 2,892
    02-06-12, 05:26 PM Go to last post
  3. 1957 - 2779185

    Started by Librarian, 02-06-12 05:26 PM
    • Replies: 0
    • Views: 2,987
    02-06-12, 05:26 PM Go to last post
  4. 1939 - 2152258

    Started by Librarian, 02-06-12 05:17 PM
    • Replies: 0
    • Views: 2,985
    02-06-12, 05:17 PM Go to last post
    • Replies: 0
    • Views: 3,043
    10-01-17, 06:39 AM Go to last post
    • Replies: 0
    • Views: 9,404
    26-01-17, 06:40 PM Go to last post
  5. 1863 - 39486 Improvement in Padlock

    Started by dleebrick, 09-01-17 02:42 AM
    • Replies: 0
    • Views: 3,101
    09-01-17, 02:42 AM Go to last post
    • Replies: 0
    • Views: 2,920
    08-01-17, 09:36 PM Go to last post
  6. 1854 - 10862 Liebrich Trunk Lock

    Started by dleebrick, 08-01-17 09:29 PM
    • Replies: 0
    • Views: 2,764
    08-01-17, 09:29 PM Go to last post
  7. 1852 Patent # 8775 Lock and Plate

    Started by dleebrick, 09-01-17 02:39 AM
    • Replies: 0
    • Views: 2,658
    09-01-17, 02:39 AM Go to last post
  8. 1849 Patent 6522 - Padlock with Key

    Started by dleebrick, 09-01-17 02:36 AM
    • Replies: 0
    • Views: 3,114
    09-01-17, 02:36 AM Go to last post
  9. 1848 - 5708

    Started by Librarian, 02-06-12 03:48 PM
    • Replies: 0
    • Views: 2,981
    02-06-12, 03:48 PM Go to last post
    • Replies: 0
    • Views: 2,646
    08-01-17, 09:42 PM Go to last post
  10. 1833 - 7758x

    Started by Librarian, 02-06-12 03:38 PM
    • Replies: 0
    • Views: 2,950
    02-06-12, 03:38 PM Go to last post

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