Inventor

Preston C. Hazzard

Inventor
Watauga, TX, US

Overview

1→
Patents
1986
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 1 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F04Bprimary
F04BPositive-displacement machines for liquids100%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986Patents assigned to HCH DEV INC (1)· patent assignee history
1986Based in Watauga, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HCH DEV INC11986
Locations
LocationPatentsSpan
Watauga, Texas, US11986