Inventor
HARPER JASON ROBERT
US4 patents
⚠️ This page may combine multiple inventors who share the name “HARPER JASON ROBERT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PROGRESS MFG INC
3 patentsUS10800219B2Oct 13, 2020
Adjustable trailer hitch ball mount with integral lock
PROGRESS MFG INC3 citations67
US9844986B2Dec 19, 2017
Apparatus and method of installing an internal locking ring to reinforce an adjustable trailer hitch
PROGRESS MFG INC1 citations46
US9352624B2May 31, 2016
System and method for reinforcing an adjustable trailer hitch
PROGRESS MFG INC1 citations46