Inventor
David C. Maddock
Inventor
Bloomington, IN, US
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E02Fprimary
E02FDredging50%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests50%
PatentTitleYear
5,864,970'Earth excavating apparatus'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999Based in Bloomington, IN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Locations
| Location | Patents | Span |
|---|---|---|
| Bloomington, IN, US | 1 | 1999 |