Inventor
Richard D. Mason
Inventor
Columbus, IN, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
LOC15primary
LOC1533%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing17%
E02FDredging17%
F02BInternal-combustion piston engines17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976Patents assigned to MASON RICHARD (1)· patent assignee history
1976Based in Norfolk, VA, US· patent location history
1989Patents assigned to MASON RICHARD D (1)· patent assignee history
1989Patents assigned to WILSON STEVEN M (1)· patent assignee history
1989Based in Severna Park, MD, US· patent location history
2014–2015Patents assigned to CUMMINS INC (2)· patent assignee history
2014Based in Hope, IN, US· patent location history
2015Based in Columbus, IN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CUMMINS INC | 2 | 2014–2015 |
| MASON RICHARDself | 1 | 1976 |
| MASON RICHARD Dself | 1 | 1989 |
| WILSON STEVEN M | 1 | 1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Columbus, IN, US | 1 | 2015 |
| Hope, IN, US | 1 | 2014 |
| Severna Park, Maryland, US | 1 | 1989 |
| Norfolk, Virginia, US | 1 | 1976 |