Richard Granoff
Inventor
Stats
- 2 US patents issued
- 2 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 2 US Patents Issued
- 2 US Applications Filed
- 61 Total Citation Count
- Nov 30, 1988 Most Recent Filing
- Feb 9, 1987 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| Dennison Manufacturing Company | 1
1 | 1987
1988 |
Inventor Addresses
| Address | Duration |
|---|---|
| Sandown, NH | Jul 26, 88 - Oct 29, 91 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| B43K: | IMPLEMENTS FOR WRITING OR DRAWING | 1 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| D321207 | 1991 | Retractable marker pen | 31 |
| 4759650 | 1988 | Retractable marking pen with tip protection mechanism | 26 |
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