Inventor
Richard D. Grossman
Inventor
Granada Hills, CA, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A63Cprimary
A63CSkates33%
G10DStringed musical instruments20%
LOC2113%
B27LRemoving bark or vestiges of branches7%
B27MWorking of wood not provided for in subclasses b27b - b27l7%
G10HElectrophonic musical instruments7%
LOC097%
Y10TTechnical subjects covered by former us classification7%
PatentTitleYear
8,981,194'Drumstick'2015D0721273'Bottle angler'20158,895,827'Percussion instrument dampening pad'20147,387,302'Ice skate'20087,247,783'Cooperative musical instrument'20076,695,322'Ice skate'20046,467,778'Ice skate'2002D0417900'Set of in-line wheels'19995,964,469'Wheels for inline roller skates'1999D0403388'Set of in-line wheels'19985,179,237'Sleeved metal drumstick'19934,645,223'Skateboard assembly'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–2015Patents assigned to GROSSMAN RICHARD D (3)· patent assignee history
1987–1993Based in Canoga Park, CA, US· patent location history
1993Patents assigned to EASTON ALUMINUM INC (1)· patent assignee history
1998–2004Patents assigned to EASTON JAMES D INC (5)· patent assignee history
1998–1999Based in Grenada Hills, CA, US· patent location history
2002–2008Based in Granada Hills, CA, US· patent location history
2007–2015Patents assigned to GROSSMAN RICHARD (2)· patent assignee history
2008Patents assigned to EASTON SPORTS (1)· patent assignee history
2014–2015Based in West Hills, CA, US· patent location history
2015Based in Newberg, OR, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EASTON JAMES D INC | 5 | 1998–2004 |
| GROSSMAN RICHARD Dself | 3 | 1987–2015 |
| GROSSMAN RICHARDself | 2 | 2007–2015 |
| EASTON ALUMINUM INC | 1 | 1993 |
| EASTON SPORTS | 1 | 2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| Granada Hills, California, US | 3 | 2002–2008 |
| Grenada Hills, California, US | 3 | 1998–1999 |
| West Hills, California, US | 2 | 2014–2015 |
| Canoga Park, California, US | 2 | 1987–1993 |
| Newberg, OR, US | 1 | 2015 |