| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| thomas edison date of patent | 1.08 | 0.9 | 1472 | 21 |
| the date thomas edison got light bulb patent | 1.02 | 1 | 8888 | 53 |
| thomas edison light bulb patent date | 1.03 | 0.3 | 8876 | 53 |
| thomas edison number of patents | 1.52 | 0.9 | 6129 | 9 |
| list of thomas edison patents | 0.38 | 1 | 4042 | 17 |
| who received thomas edison's patent | 1.04 | 0.6 | 3067 | 2 |
| how many patents did thomas edison have | 1.08 | 0.7 | 6626 | 10 |
| thomas edison how many patents | 0.81 | 1 | 2815 | 12 |
| thomas edison date of invention | 1.66 | 1 | 2686 | 35 |
| how many patents did thomas edison hold | 1.34 | 1 | 3217 | 94 |
| thomas edison patented his first invention | 0.82 | 0.6 | 1549 | 4 |
| how many inventions did thomas edison patent | 0.85 | 0.5 | 1715 | 21 |
| complete patents of edison pdf | 1.64 | 1 | 5090 | 79 |
| how many patents did edison have | 0.91 | 0.1 | 3117 | 72 |
| how many patents did edison hold | 0.6 | 1 | 1484 | 16 |
| how many u.s. patents did edison obtain | 0.06 | 0.8 | 8287 | 67 |
