| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Furniture and games | |
| #3 | Consumer goods | |
| #4 | Medical technology | |
| #5 | Machines | |
| #6 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Pistons and sealings | |
| #2 | Shafts | |
| #3 | Unspecified technologies | |
| #4 | Hairstyling and cosmetic | |
| #5 | Chairs and beds | |
| #6 | Diagnosis and surgery | |
| #7 | Indexing scheme relating to hinges | |
| #8 | Making leather goods | |
| #9 | Physical training equipment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Marsh Charles W | 13 |
| Publication | Filing date | Title |
|---|---|---|
| US4112591A | Hair dryer | |
| US3147749A | Surgical instrument for conization of the cervix | |
| US2917109A | Headrest | |
| US1971422A | Oil seal | |
| US1945151A | Piston | |
| US1945152A | Piston | |
| US1945153A | Piston | |
| US1949610A | Method of making packing | |
| US1901606A | Oil seal | |
| US1974362A | Piston | |
| US1537320A | Golf club | |
| CA104174A | Gate | |
| US828619A | Automatic gate. |