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Patent and Trademark Resource Center Association

Patent and Trademark Resource Center Association

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Los Angeles, CA

Los Angeles Public Library
Submitted by: Stella Mittelbach

  • “No Prior Art” exhibit on view at Central Library featuring patent models, plant patents, and art inspired by invention (Sept. 14, 2024-May
  • “No Prior Art” series launches scores of programs on tinkering, robotics, and other topics throughout Los Angeles Public Library system
  • Over 2,000 people attended Inventors Day, December 7, 2024 featuring talks by patent attorneys and prominent inventor of toys
  • PTRC Librarian and Library Foundation create program kit based on game show, The Liars Club.

Stella Mittelbach and teens at Chinatown Branch for the The Liars Club game

One of our inventors dropped by Inventors Day to show off her granted jump rope patent!

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  • JOIN PTRCA!
  • Our Mission
  • Best Practices
  • Bylaws
  • Officers
  • Committees
  • PTRCA Journal
  • Resolutions
  • Esther Crawford PTRCA Distinguished Service Award (DSA)
  • Online Resources
  • Contact PTRCA
  • USPTO/PTRC Locations

JPTRCA Homepage at Clemson

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Latest additions to the Directory of American Tool and Machinery Patents (DATAMP.org)

  • US-2,028,752 Photographic Camera
  • US-404,931 Calf Weaner
  • US-552,685 Calf Weaner
  • US-572,339 Calf Weaner
  • US-556,236 Calf Weaner

  • JOIN PTRCA!
  • Our Mission
  • Best Practices
  • Bylaws
  • Officers
  • Committees
  • PTRCA Journal
  • Resolutions
  • Esther Crawford PTRCA Distinguished Service Award (DSA)
  • Online Resources
  • Contact PTRCA
  • USPTO/PTRC Locations