The patents, listed below, are the 'SPILL' patents licensed to the American Zylonite Company by the British Xylonite Company. The box of hair brushes, see images page, lists these three patents.

Click on the patent number to display the text of the patent.

• Patent #91,377 dated June 15, 1869
• Patent #97,454 dated November 30, 1869
• Patent #101,175 dated March 22 1870

The patent listed below was licensed for use in manufacturing martingale rings.

• Patent #251,258 dated December 20, 1881

The patents listed below relate to the production of Collars and Cuffs. They are listed on the box of 'Water Proof Cuffs', see images page.

• Patent #289,242 dated November 27, 1883
• Patent #322,729 dated July 21, 1885