LexDanaLexDanabeta
Inventor

Ronald J. Fischer

Inventor
Bakersfield, CA, US

Overview

2→
Patents
1991–1992
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 2 as inventor

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

E21Bprimary
E21BEarth or rock drilling100%
PatentTitleYear
5,146,994'Packing assembly for use with reeled tubing and method of operating and removing same'19925,000,265'Packing assembly for use with reeled tubing and method of operating and removing same'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1992Patents assigned to OTIS ENG CO (2)· patent assignee history
1991–1992Based in Bakersfield, CA, US· patent location history
1992Patents assigned to SHELL WESTERN E & P INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OTIS ENG CO21991–1992
SHELL WESTERN E & P INC11992
Locations
LocationPatentsSpan
Bakersfield, California, US21991–1992