Donald T. McGregor

Follow

Person

Stanton, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Automatic self-steering trailer axle
- Patent number 4,824,135
- Issue date Apr 25, 1989
- Donald T. McGregor
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Release device for emergency brake actuators
- Patent number 3,932,003
- Issue date Jan 13, 1976
- Donald T. McGregor
- B60 - VEHICLES IN GENERAL