| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 18 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Machines | |
| #3 | Basic communication technologies | |
| #4 | Electrical machinery and energy | |
| #5 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Spectacles | |
| #2 | Unspecified technologies | |
| #3 | Tuning resonant circuits | |
| #4 | Making metal chains | |
| #5 | Unspecified technologies | |
| #6 | Electrically-conductive connections |
| # | Name | Total Patents |
|---|---|---|
| #1 | Jacobson Bror J | 6 |
| #2 | Kirk Lloyd H | 6 |
| #3 | Martin Laurence C | 6 |
| #4 | Stevens Frederick A | 2 |
| #5 | Morrarty Andrew J | 2 |
| #6 | Taft Ryland L | 1 |
| #7 | Willemin Edward A | 1 |
| #8 | Abbott Carl M | 1 |
| #9 | Charles Plouffe | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2267051A | Ophthalmic mounting | |
| US2233063A | Ophthalmic mounting | |
| US2301287A | Ophthalmic mounting | |
| US2171753A | Ophthalmic mounting | |
| US2176590A | Ophthalmic mounting for rimless spectacles or eyeglasses | |
| US2060094A | Ophthalmic mounting | |
| US2068273A | Ophthalmic mounting | |
| US2045916A | Ophthalmic mounting | |
| US2034406A | Ophthalmic mounting | |
| US1885014A | Ophthalmic mounting | |
| US1785038A | Nose-guard mounting for spectacles and eyeglasses | |
| US1614271A | Vernier-adjusting device for radiodials or the like | |
| US1739310A | Vernier radio dial | |
| US1526102A | Construction for jacks and the like | |
| US1465553A | Solder-filled wire and method of manufacturing same | |
| US1289028A | Optical appliance. | |
| US1162184A | Eyeglass-mounting. | |
| US1121115A | Eyeglass-mounting. | |
| CA398311A | Ophthalmic mounting | |
| CA372654A | Ophthalmic mounting |