| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 | |
| #2 | Canada | 5 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Measuring length, angles and areas | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Clutches and brakes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Pistoles Lambert R | 17 |
| #2 | Brinsfield Alfred G | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3027650A | Gage | |
| US3042909A | Gage having both dial and electrical indicators | |
| US2853789A | Internal cylinder gate | |
| US2783460A | Gages | |
| US2677125A | Gauge | |
| US2665495A | Gauge | |
| US2559830A | Brake adjusting means | |
| US2678502A | Gauge | |
| US2610409A | Gauge | |
| US2678501A | Gauge | |
| US2597030A | Gauge | |
| US2667700A | Gauge | |
| CA535127A | Gage | |
| CA585985A | Electrical guage indicator | |
| CA509608A | Gage | |
| CA503371A | Gages | |
| CA498218A | Gages |