LexDanaLexDanabeta
Inventor

Donald C. Sassor

Inventor
Osceloa, WI, US

Overview

4→
Patents
1987–2004
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 4 as inventor

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

E21Bprimary
E21BEarth or rock drilling50%
B61BRailway systems17%
E01BPermanent way17%
E01DConstruction of bridges, elevated roadways or viaducts17%
PatentTitleYear
6,814,161'Stakedown assembly for a horizontal directional drill'20046,276,464'Stake coupler for a horizontal directional drill'20016,257,350'Multiple position staking system for a horizontal directional drill'20014,665,830'Guide construction and method of installation'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to UNIV MINNESOTA (1)· patent assignee history
1987Based in Stillwater, MN, US· patent location history
2001–2004Patents assigned to CASE CORP (3)· patent assignee history
2001–2004Based in Osceloa, WI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CASE CORP32001–2004
UNIV MINNESOTA11987
Locations
LocationPatentsSpan
Osceloa, WI, US32001–2004
Stillwater, Minnesota, US11987