HELP! What is it " pat apld for" plier tool?

[Bob55]

I found this unique looking pliers with a dull blade attached. They are marked "pat apld for". I'd appreciate any help in identifying what they might be

used for. Thanks,Bob

 

[ezzzzzzz]

I saw that used in a 'Hostel' movie! Ouch!

 

[Professur]

Patent applied for. Looks like staple removers to me.

 

[Outlawmws]

Patent applied for. Looks like staple removers to me.

on that, start it with the blade, and finish with the hook jaw.