Did Z Man patent expire?

[Columbia Craw]

I saw a product release video with two brands that have vibrating jigs with a blade directly connected to the eye. Hmmmmm.

[Team9nine]

See this recent thread. Patent discussion starts toward end of page 1 and carries into page 2. Long story short, seems like it might have, at least in part.

 

Patent thread

[Glenn]

^^ There's your answer ^^

 

And scene....