Robert W Schram
Inventor
Stats
- 4 US patents issued
- 4 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 4 US Patents Issued
- 4 US Applications Filed
- 45 Total Citation Count
- Apr 2, 1991 Most Recent Filing
- Jan 31, 1985 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| Sterling Marking Products Inc. | 2
2 | 1985
1991 |
Inventor Addresses
| Address | Duration |
|---|---|
| 22 Ullswater Crescent, London, Ontario, CA | Mar 11, 86 - Mar 11, 86 |
| London, CA | Sep 01, 87 - Feb 02, 93 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| B31F: | MECHANICAL WORKING OR DEFORMATION OF PAPER OR CARDBOARD | 1 |
| B41K: | STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES | 1 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| D332870 | 1993 | Storage case | 12 |
| 5174208 | 1992 | Ink marker | 2 |
| D291703 | 1987 | Seal press | 7 |
| 4574693 | 1986 | Seal press | 16 |
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