Lawrence Frear
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
- 190 Total Citation Count
- Jun 29, 1984 Most Recent Filing
- Jun 20, 1984 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| Spiral Drilling Systems, Inc. | 1
| 1984
|
| EASTMAN CHRISTENSEN COMPANY | 1
| 1984
|
Inventor Addresses
| Address | Duration |
|---|---|
| Sandy, UT | Nov 12, 85 - Feb 27, 90 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| E21B: | EARTH OR ROCK DRILLING | 1 |
| F16D: | COUPLINGS FOR TRANSMITTING ROTATION | 1 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 4904228 | 1990 | Universal ball joint | 44 |
| 4552232 | 1985 | Drill-bit with full offset cutter bodies | 102 |
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