| SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN name ON name.patent = patent.patent AND name.type = patent.type WHERE (last_name = 'PITTMAN') AND (first_name = 'Ralph R.') ORDER BY date ASC, patent, type |
Total of 6 patents found where: Last Name is 'PITTMAN'; First Name is 'Ralph R.';
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| T / S | Patent | Date | Description | Patentee | Category | Assigned To |
| 1935 | ||||||
| U | 2,022,386 | November 26, 1935 | Conductor Support Little bracket with insulator crown to hold low voltage wire attached to a wood pole (see 2,198,839) |
PITTMAN, Ralph R. |
Miscellaneous | |
| 1937 | ||||||
| U | 2,082,507 | June 1, 1937 | Pole for Pin Pole top pin with hook to support wire during stringing |
PITTMAN, Ralph R. |
Pin | |
| 1938 | ||||||
| U | 2,139,332 | December 6, 1938 | Wire Holder Wireholder with lag screw |
PITTMAN, Ralph R. WALSH, Carroll H. |
Wireholder | |
| U | 2,139,333 | December 6, 1938 | Sealed Screw Wire Holder Wireholder with lag screw |
PITTMAN, Ralph R. WALSH, Carroll H. |
Wireholder | |
| 1940 | ||||||
| U | 2,198,839 | April 30, 1940 | Conductor Support Little bracket with insulator crown to hold low voltage wire attached to a wood pole (see 2,022,386) |
PITTMAN, Ralph R. WALSH, Carroll H. |
Miscellaneous | |
| 1944 | ||||||
| U | 2,343,576 | March 7, 1944 | Support for Electric Conductors Knob |
PITTMAN, Ralph R. |
Knob | |
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