Inventor

BIGRIGG SCOTT

US4 patents

Patents

4 patents

US11215028B2Jan 4, 2022

Locking backpressure valve

PALMER LARRY THOMAS0 citations55

US11215026B2Jan 4, 2022

Locking backpressure valve

PALMER LARRY THOMAS0 citations55

US11365605B2Jun 21, 2022

Locking backpressure valve

PALMER LARRY THOMAS0 citations44

US11359460B2Jun 14, 2022

Locking backpressure valve

PALMER LARRY THOMAS0 citations44