Patent Information Publication number: US382845 A Patent Title: Commutator for…
Tag: machines
Nikola Tesla Patent #1 - Commutator for Dynamo Electric - US 0,334,823
Patent Information Patent Number: US 0,334,823 Patent Title: Commutator for Dynamo…
Patent Information Publication number: US382845 A Patent Title: Commutator for…
Patent Information Patent Number: US 0,334,823 Patent Title: Commutator for Dynamo…