I am aware of currently four Tesla trade mark applications for the image that represents the letter E in the Tesla name logo or include that image combined with text.
US Serial Number: 86946030
Description: The mark consists of three equal length horizontal
stylized lines in the manner of a stylized number 3
Goods and Services: Automobiles and structural parts therefor
US Serial Number: 86960133
Goods and Services: Articles of clothing, namely, t-shirts, shirts, jackets, gloves, scarves, hats; headgear, namely, sports hats, caps, sun visors; hats for infants, babies, toddlers and children; infant and toddler one piece clothing; infant wear
Status: A request for an extension of time to file an opposition has been filed by
Adidas with the Trademark Trial and Appeal Board.
US Serial Number: 86960135
Description: The mark consists of the word MODEL next to three equal length horizontal stylized lines in the manner of a stylized number 3
Goods and Services: Automobiles and structural parts therefor.
US Serial Number: 86960138
Goods and Services: Articles of clothing, namely, t-shirts, shirts, jackets, gloves, scarves, hats; headgear, namely, sports hats, caps, sun visors; hats for infants, babies, toddlers and children; infant and toddler one piece clothing; infant wear
Status: A request for an extension of time to file an opposition has been filed by
Adidas with the Trademark Trial and Appeal Board.