IP Library › Granted Patent US 755,248
Granted Patent S1
US 755,248 · App. 29/516,098 · Granted May 3, 2016

Rotary valve spring

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Quick Facts
Patent No.
US 755,248
App. No.
29/516,098
Granted
May 3, 2016
Kind
S1
Claims (1)

The ornamental design for a rotary valve spring, as shown and described.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 27, 2017
From: VAZTEC, LLC
To: VAZTEC ENGINE VENTURE, LLC
Reel/Frame 041379/0802 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 29, 2015
From: VASELENIUCK, DARRICK; VASELENIUCK, DAVID
To: VAZTEC, LLC
Reel/Frame 034844/0937 →